[{"_1":2,"_3":-5,"_4":-5},"loaderData",{"_5":6,"_7":8},"actionData","errors","root",{"_402":403,"_404":405},"routes/tour",{"_9":10,"_11":12,"_13":14,"_15":16,"_17":-7},"tenant","war-ruins-hk","tour_set",{"_34":393,"_30":-5,"_394":-5,"_395":-5,"_396":397,"_398":-5,"_399":222,"_400":-5,"_401":10},"tour",{"_18":19,"_20":21,"_22":23,"_24":25,"_26":27,"_28":29,"_30":31,"_32":33,"_34":23,"_35":36,"_37":-5,"_38":-5,"_39":-5,"_40":41,"_42":43,"_44":45,"_46":47,"_48":49,"_50":51,"_52":-5,"_53":36,"_54":55,"_56":57,"_58":25,"_59":25,"_60":61,"_62":63,"_64":16,"_65":66,"_67":68,"_69":70,"_9":10,"_71":72,"_73":47,"_74":75,"_76":77,"_78":13,"_79":80,"_81":36},"tourParam","shing-mun-redoubt-mobiletour","stopParam","_index","otb_war-ruins-hk_tours_production_20260910130442422","_id","1","_score",1,"blank_map",false,"bounds",{"_361":385,"_359":386,"_355":387,"_363":388,"_389":390,"_391":392},"default_lng","en-US","description","\n\n\n\n\n\n

中文

\n\n

This tour project is to navigate visitors through the Shing Mun Redoubt, Hong Kong, a defensive position that was part of the Gin Drinkers Line built by the British before WWII. In the Battle of Hong Kong, the Redoubt saw brief fighting before it was taken by the Imperial Japanese Army on 10 December, 1941.

This mobile tour provides a sample route which guides the visitors through the war ruins. The tour has 11 stops. Each stop provides basic information of the historical site.

\n\n $\"Redoubt$ \n\n

Warnings:

＊The route of this walking tour is out of the walking trail of the country park and may be dangerous.

＊Do not enter the tunnel under inclement weather or after dark.

＊Make sure you have enough water and a flashlight.

＊Download the map of the Shung Mun Redoubt in your device before starting the tour.

＊Respect the monuments. Do Not inflict any damage or leave anything behind.

\n\n

If you wish to know more about the Battle of Hong Kong, visit The Battle of Hong Kong 1941: A Spatial History Project.

\n\n\n

We shall not have any liability to you or any other person or entity for any damage, loss whatsoever incurred while using the Shing Mun Redoubt Mobiletour.

","flat_pages",[367,368,369,370],"id","is_geo",true,"link_address","link_text","map_icon","map_overlay",{"_34":235,"_355":356,"_357":358,"_359":360,"_361":362,"_363":364,"_365":366},"map_type","terrain","media",[288,289,290,291,292],"meta_description","Shing Mun Redoubt Mobiletour","mode",{"_34":222,"_73":287},"modes",[286],"open_geographies_endpoint","published","published_on","2026-09-10","read_duration","7 minutes reading","restrict_bounds","restrict_bounds_to_overlay","sanitized_description","\n\n\n\n\n\n 中文 \n\nThis tour project is to navigate visitors through the Shing Mun Redoubt, Hong Kong, a defensive position that was part of the Gin Drinkers Line built by the British before WWII. In the Battle of Hong Kong, the Redoubt saw brief fighting before it was taken by the Imperial Japanese Army on 10 December, 1941. This mobile tour provides a sample route which guides the visitors through the war ruins. The tour has 11 stops. Each stop provides basic information of the historical site.\n\n\n\n Warnings: \n ＊The route of this walking tour is out of the walking trail of the country park and may be dangerous. \n ＊Do not enter the tunnel under inclement weather or after dark. \n ＊Make sure you have enough water and a flashlight. \n ＊Download the map of the Shung Mun Redoubt in your device before starting the tour. \n ＊Respect the monuments. Do Not inflict any damage or leave anything behind.\n\n If you wish to know more about the Battle of Hong Kong, visit The Battle of Hong Kong 1941: A Spatial History Project.\n\n\nWe shall not have any liability to you or any other person or entity for any damage, loss whatsoever incurred while using the Shing Mun Redoubt Mobiletour.","splash",{"_73":113,"_283":-5,"_284":285},"slug","slugs",[125,282,16],"stop_count",11,"stops",[83,84,85,86,87,88,89,90,91,92,93],"tenant_title","War Ruins Hk","title","travel_duration","About 2 hours walking","theme",{"_34":23,"_73":82},"type","voice_overs",[],"use_directions","default",{"_94":268,"_95":23,"_96":-5,"_98":23,"_100":269,"_102":-5,"_30":270,"_104":-5,"_105":-5,"_106":107,"_34":23,"_108":271,"_110":272,"_39":-5,"_44":273,"_46":113,"_114":25,"_115":-5,"_116":-5,"_53":36,"_60":274,"_64":266,"_65":275,"_62":-5,"_73":267,"_78":121,"_122":-5,"_123":-5,"_79":276},{"_94":252,"_95":253,"_96":254,"_98":68,"_100":101,"_102":-5,"_30":255,"_104":-5,"_105":-5,"_106":107,"_34":68,"_108":256,"_110":257,"_39":-5,"_44":258,"_46":113,"_114":25,"_115":-5,"_116":-5,"_53":36,"_60":259,"_64":250,"_65":260,"_62":-5,"_73":251,"_78":121,"_122":-5,"_123":-5,"_79":261},{"_94":238,"_95":239,"_96":240,"_98":235,"_100":241,"_102":-5,"_30":242,"_104":-5,"_105":-5,"_106":107,"_34":235,"_108":243,"_110":244,"_39":-5,"_44":245,"_46":113,"_114":25,"_115":-5,"_116":-5,"_53":36,"_60":246,"_64":236,"_65":247,"_62":-5,"_73":237,"_78":121,"_122":-5,"_123":-5,"_79":248},{"_94":221,"_95":222,"_96":223,"_98":218,"_100":224,"_102":-5,"_30":225,"_104":-5,"_105":-5,"_106":107,"_34":218,"_108":226,"_110":227,"_39":-5,"_44":228,"_46":113,"_114":25,"_115":-5,"_116":-5,"_53":36,"_60":229,"_64":219,"_65":230,"_62":-5,"_73":220,"_78":121,"_122":-5,"_123":-5,"_79":231},{"_94":206,"_95":207,"_96":208,"_98":203,"_100":178,"_102":-5,"_30":209,"_104":-5,"_105":-5,"_106":107,"_34":203,"_108":210,"_110":211,"_39":-5,"_44":212,"_46":113,"_114":25,"_115":-5,"_116":-5,"_53":36,"_60":213,"_64":204,"_65":214,"_62":-5,"_73":205,"_78":121,"_122":-5,"_123":-5,"_79":215},{"_94":192,"_95":193,"_96":194,"_98":189,"_100":178,"_102":-5,"_30":195,"_104":-5,"_105":-5,"_106":107,"_34":189,"_108":196,"_110":197,"_39":-5,"_44":198,"_46":113,"_114":25,"_115":-5,"_116":-5,"_53":36,"_60":199,"_64":190,"_65":200,"_62":-5,"_73":191,"_78":121,"_122":-5,"_123":-5,"_79":201},{"_94":175,"_95":176,"_96":177,"_98":172,"_100":178,"_102":-5,"_30":179,"_104":-5,"_105":-5,"_106":107,"_34":172,"_108":180,"_110":181,"_39":-5,"_44":182,"_46":113,"_114":25,"_115":-5,"_116":-5,"_53":36,"_60":183,"_64":173,"_65":184,"_62":-5,"_73":174,"_78":121,"_122":-5,"_123":-5,"_79":185},{"_94":160,"_95":161,"_96":162,"_98":157,"_100":163,"_102":-5,"_30":164,"_104":-5,"_105":-5,"_106":107,"_34":157,"_108":165,"_110":166,"_39":-5,"_44":167,"_46":113,"_114":25,"_115":-5,"_116":-5,"_53":36,"_60":168,"_64":158,"_65":169,"_62":-5,"_73":159,"_78":121,"_122":-5,"_123":-5,"_79":170},{"_94":144,"_95":145,"_96":146,"_98":141,"_100":101,"_102":-5,"_30":147,"_104":-5,"_105":-5,"_106":107,"_34":141,"_108":148,"_110":149,"_39":-5,"_44":150,"_46":113,"_114":25,"_115":-5,"_116":-5,"_53":36,"_60":151,"_64":142,"_65":152,"_62":-5,"_73":143,"_78":121,"_122":-5,"_123":-5,"_79":153},{"_94":130,"_95":131,"_96":132,"_98":127,"_100":101,"_102":-5,"_30":133,"_104":-5,"_105":-5,"_106":107,"_34":127,"_108":134,"_110":135,"_39":-5,"_44":136,"_46":113,"_114":25,"_115":-5,"_116":-5,"_53":36,"_60":137,"_64":128,"_65":138,"_62":-5,"_73":129,"_78":121,"_122":-5,"_123":-5,"_79":139},{"_94":-5,"_95":68,"_96":97,"_98":99,"_100":101,"_102":-5,"_30":103,"_104":-5,"_105":-5,"_106":107,"_34":99,"_108":109,"_110":111,"_39":-5,"_44":112,"_46":113,"_114":25,"_115":-5,"_116":-5,"_53":36,"_60":117,"_64":118,"_65":119,"_62":-5,"_73":120,"_78":121,"_122":-5,"_123":-5,"_79":124},"next","position","previous",{"_34":127,"_64":128,"_73":129},"relation_id",20,"address","Hong Kong, Lo Wai, Maclehose Trail Sec. 6, M124","article_link","\n\n\n\n\n\n\n\n\n\n

*Load the page before you go into the tunnel.

\n\n $\"Stop$ \n\n

\n\n

Go back to the hiking trail at the left and walk downward.

\n $\"11.1\"$ \n\n

When you see this sign, go into the woods behind it. Turn left after you reach the air shaft behind.

\n $\"11.2\"$ \n\n

The roof of the Piccadilly tunnel

\n $\"piccadillyroof\"$ \n The hole was probably created by the British battery at Stonecutters’ Island (Ngong Shuen Chau) or Mount Davis. The British bombarded the Shing Mun Redoubt after the Japanese took it. \n\n

The Mount Davis Battery

\n $\"“Mount_Davis_Battery_F2"\"$ \nThe Coastal Battery had three 9.2” mk-x breach-loading naval guns.\n
\n

Walk up through the path at the right of the tunnel roof.

\n\n

Air Shaft

\n $\"airvent\"$ \nYou can see debris of the concrete. The Japanese soldiers took PB 401 A by throwing in grenade through these air shafts.\n\n

Go under the electric tower. There should be a path at the right.

\n\n $\"“electrictower"\"$ \n\n\n

The ruins of PB 402

\n $\"“402Ruin"\"$ \nOriginally there was sparse vegetation cover. PB 402 was on the high ground overlooking northwest. A machine gun position was at the further north of the PB.\n\n

During the battle, PB 402 and the machine gun position pinned the Japanese down and inflicted some casualty. But this drew the attention of the Japanese and the PB was eventaully captured.

\n\n

Bren Light Machine Gun on its tripod in a Pill Box setting

\n $\"Bren$ \nReenactment at North Downs (Photo by Pillbox Study Group)\n\n

Return to the hiking trail by the route you came.

\n\n

After reaching the sign, turn right and walk down to the Barbecue Area.

\n\n

This is the end of the mobiletour. You can also visit the Dam of the Shung Mun Reservoir nearby. If you wish to know more about the Battle of Hong Kong, visit The Battle of Hong Kong 1941: A Spatial History Project.

","direction_intro","direction_notes","icon_color","#D32F2F","lat",22.37713915100139,"lng",114.14534,[],"","orphaned","parking_lat","parking_lng","\n\n\n\n\n\n\n\n\n\n*Load the page before you go into the tunnel.\n\n\n\n Go back to the hiking trail at the left and walk downward.\n\n\n  When you see this sign, go into the woods behind it. Turn left after you reach the air shaft behind.\n\n\n  The roof of the Piccadilly tunnel\n\n The hole was probably created by the British battery at Stonecutters’ Island (Ngong Shuen Chau) or Mount Davis. The British bombarded the Shing Mun Redoubt after the Japanese took it. \n\n The Mount Davis Battery\n\nThe Coastal Battery had three 9.2” mk-x breach-loading naval guns.\n\n  Walk up through the path at the right of the tunnel roof.\n\n  Air Shaft\n\nYou can see debris of the concrete. The Japanese soldiers took PB 401 A by throwing in grenade through these air shafts.\n\n  Go under the electric tower. There should be a path at the right.\n\n\n\n\n  The ruins of PB 402\n\nOriginally there was sparse vegetation cover. PB 402 was on the high ground overlooking northwest. A machine gun position was at the further north of the PB.\n\nDuring the battle, PB 402 and the machine gun position pinned the Japanese down and inflicted some casualty. But this drew the attention of the Japanese and the PB was eventaully captured.\n\n Bren Light Machine Gun on its tripod in a Pill Box setting\n\nReenactment at North Downs (Photo by Pillbox Study Group)\n\n  Return to the hiking trail by the route you came.\n\n  After reaching the sign, turn right and walk down to the Barbecue Area.\n\nThis is the end of the mobiletour. You can also visit the Dam of the Shung Mun Reservoir nearby. If you wish to know more about the Battle of Hong Kong, visit The Battle of Hong Kong 1941: A Spatial History Project. ","pb-402",[125,126,126,118],"PB 402","stop","video_embed","video_poster",[],"untitled","11-pb-402",19,"pb-403","PB 403",{"_34":99,"_64":118,"_73":120},10,{"_34":141,"_64":142,"_73":143},"\n\n\n\n\n\n\n\n\n\n

*Load the page before you go into the tunnel.

\n\n $\"Stop$ \n\n

Entrance of the Tunnel

\n\n $\"10.1\"$ \nMade of red bricks. Different from other entrances.\n\n

The Ruins of PB 403

\n $\"403ruin\"$ \n The walls and the roof were destroyed by the Royal Engineers in the late 1950s long after the Redoubt was decommissioned. \n\n\n $\"403ruin2\"$ \nThe Royal Engineers filled the Pillbox with explosive and blown it up from the inside.\n\n

Nails

\n $\"403nail\"$ \nThese nails were used to hold the plaster of the original roof.\n

\n $\"Map$ \n After capturing the OC, the Japanese split force and captured PB 402 and PB 403.\n\n

Go back to Stop 2 through Haymarket (the way you came), turn right at the first junction through Piccadilly.

\n\n

When you are back to Stop 2, click on the next stop.

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*Load the page before you go into the tunnel.

\n\n $\"Stop$ \n\n

Go back to Stop 2 through Shaftsbury Avenue. Do Not turn right to Oxford Street at the first junction.

\n $\"Shaftsbury$ \n\n

Inspection plate

\n\n $\"inspectionplate\"$ \n\nThe number indicates that it was inserted on 20 January 1940, almost two years before the Battle of Hong Kong.\n\n

We are back to Stop 2. The entrance of Regent Street and Shaftsbury Avenue. The sign shows that Shaftsbury Avenue goes to the Strand Palace Hotel (Observation Compound).

\n\n $\"toOP&Hotel\"$ \n\n

Take the entrance at the other side of the trench to Piccadilly.

\n $\"EntrancePiccadilly\"$ \n\n

Turn left to PB 403 through Haymarket. Do Not turn right to the stairs.

\n $\"“to403"\"$ \n\n

Open Trench

\n $\"ET\"$ \nOnly the last two alphabet of “Haymarket” were crafted. (This is the pinpointed location of this stop)

\n\n

Continue to PB403

\n $\"to403\"$ \n
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*Load the page before you go into the tunnel.

\n\n

$\"Stop$

\n\n

Telephone Exchange

\n $\"telephoneroom\"$ \nThere was probably a table here. A telephone line was linked to the Headquarter on Hong Kong Island. HQ then send the orders to the batteries at Mount Davis, Devil's Peak, and Stonecutter Battery.\n\n

Telephone Lines

\n $\"Telephone$ \nThe phone lines connected the Redoubt (EE) to the HQ on the Island. (1941 Spatial History Project)\n\n

The Officer Shelter

\n $\"“officershelter”\"$ \nBunk bed holes. The hooks can be found on the ceiling.\n\n\n

The Gate

\n $\"“OPgate"\"$ \nHook for the original iron gate. More bullet holes, a fierce gunfight took place here\n\n\n

The kitchen

\n $\"“kitchen"\"$ \n\n

Water tank

\n $\"watertank\"$ \n\n

The stoves, one big and one small

\n $\"“stoves"\"$ \n\n\n\n

The Bricks of the Stove \n $\"stovebricks\"$ \nThe bricks were specifically ordered and made\n\n\n

Another open trench at the rear of the kitchen

\n $\"OPopentrench\"$ \n\n

The tunnel of Charing Cross is blocked by silt. Return through the kitchen to the entrances of Charing Cross and Shaftsbury Avenue (Stop 6).

\n
\n\n\n

\n",22.37526,114.14545,[],"\n\n\n\n\n\n\n\n\n\n*Load the page before you go into the tunnel.\n\n\n\n  Telephone Exchange\n\nThere was probably a table here. A telephone line was linked to the Headquarter on Hong Kong Island. HQ then send the orders to the batteries at Mount Davis, Devil's Peak, and Stonecutter Battery.\n\n Telephone Lines\n\nThe phone lines connected the Redoubt (EE) to the HQ on the Island. (1941 Spatial History Project)\n\n  The Officer Shelter\n\nBunk bed holes. The hooks can be found on the ceiling.\n\n\n  The Gate\n\nHook for the original iron gate. More bullet holes, a fierce gunfight took place here\n\n\n  The kitchen\n\n\n  Water tank\n\n\n  The stoves, one big and one small\n\n\n\n\n  The Bricks of the Stove \n\nThe bricks were specifically ordered and made\n\n\n  Another open trench at the rear of the kitchen\n\n\n The tunnel of Charing Cross is blocked by silt. Return through the kitchen to the entrances of Charing Cross and Shaftsbury Avenue (Stop 6).\n\n\n\n\n",[125,171,171,158],[],"8-the-kitchen",16,"the-observation-compound-oc","The Observation Compound (OC)",{"_34":157,"_64":158,"_73":159},7,{"_34":189,"_64":190,"_73":191},"Maclehose Trail Sec. 6, Kwai Chung, Hong Kong","\n\n\n\n\n\n\n\n\n\n

*Load the page before you go into the tunnel.

\n\n\n $\"Stop$ \n\n

The Observation Compound

\n\n $\"OProof\"$ \n\nThe OC acted as the headquarter of the redoubt (also known as Strand Palace Hotel). It has one telephone room, one officer shelter, two kitchens, and two toilets.

\n\nThe observation compound was build here to monitor the important pathways against the New Territories to Kowloon. On its roof, you can see that it overlooked the Needle Hill at the Northeast, Tai Mo Shan at the North, and Castle Peak Road at the West. \n\n $\"OP\"$ \n\nWhen the enemy appeared, the observation compound would notify the HQ on Hong Kong Island through telephone. The batteries at Stonecutters, Kowloon and Hong Kong Island could then fire at the enemy. \n\n

The Defense of Hong Kong, 1941

\n $\"Eastern$ \n\nNote the location of the batteries and mountains. (Kwong & Tsoi, Eastern Frotress, 108.)\n\n\n

Go into the observation compound through the breach at the back.

\n\n\n

The original entrance of the OC

\n\n $\"“OPentrance"\"$ \n\nThe Japanese soldiers used explosives to blow up the gate. Two Indian signalmen were killed and many defenders wounded. The marks of the explosion can still be seen. \n\n\n

Bullet holes

\n $\"OPbulletholes\"$ \nAfter brief fighting, the eighteen defenders, mostly wounded, surrendered.\n\n\n

Bunkbed Holes

\n $\"bunkbeds\"$ \nThese holes were used to hold the bunkbeds. You see six holes here, so there were three bunk beds. The hook at the ceiling was also used to hold the bunkbeds.\n\n\n

The observation post

\n $\"obserationpost\"$ \nThe observator stood here to monitor Castle Peak Road.\n\n\n

Sound Pipe

\n $\"soundpipe\"$ \nFor communicating with people inside.\n\n\n

Click on the next stop before going in. Signal maybe not stable inside.

\n\n

\n\n",22.37505461,114.14562836,[],"\n\n\n\n\n\n\n\n\n\n*Load the page before you go into the tunnel.\n\n\n\n\n The Observation Compound\n\n\n\nThe OC acted as the headquarter of the redoubt (also known as Strand Palace Hotel). It has one telephone room, one officer shelter, two kitchens, and two toilets.\n\nThe observation compound was build here to monitor the important pathways against the New Territories to Kowloon. On its roof, you can see that it overlooked the Needle Hill at the Northeast, Tai Mo Shan at the North, and Castle Peak Road at the West. \n\n\n\nWhen the enemy appeared, the observation compound would notify the HQ on Hong Kong Island through telephone. The batteries at Stonecutters, Kowloon and Hong Kong Island could then fire at the enemy. \n\n The Defense of Hong Kong, 1941\n\n\nNote the location of the batteries and mountains. (Kwong & Tsoi, Eastern Frotress, 108.)\n\n\n Go into the observation compound through the breach at the back.\n\n\n The original entrance of the OC\n\n\n\nThe Japanese soldiers used explosives to blow up the gate. Two Indian signalmen were killed and many defenders wounded. The marks of the explosion can still be seen. \n\n\n Bullet holes\n\nAfter brief fighting, the eighteen defenders, mostly wounded, surrendered.\n\n\n Bunkbed Holes\n\nThese holes were used to hold the bunkbeds. You see six holes here, so there were three bunk beds. The hook at the ceiling was also used to hold the bunkbeds.\n\n\n The observation post\n\nThe observator stood here to monitor Castle Peak Road.\n\n\n Sound Pipe \n\nFor communicating with people inside.\n\n\nClick on the next stop before going in. Signal maybe not stable inside.\n\n\n\n",[125,186,186,187,188,173],[],"7-the-observation-post-op","7-the-observation-post-oc","7-the-observation-compound-oc",15,"charing-cross","Charing Cross",{"_34":172,"_64":173,"_73":174},6,{"_34":203,"_64":204,"_73":205},"\n\n\n\n\n\n\n\n\n\n\n

*Load the page before you go into the tunnel.

\n $\"Stop$ \n

\n\n

The entrance of Charing Cross

\n $\"Charingcross\"$ \n\nThe tunnel was originally linked to the kitchen of the Observation Compound.\n\n\n

Marker Stone

\n\n $\"“markerstone"\"$ \n\nBuilt by the garrison to show the location of pillboxes and localities.\n\n\n

Charing Cross tunnel is silted with sand and mud, go to the Observation Compound through the staircases.

\n\n $\"roadtoOP\"$ \n

\n\n

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*Load the page before you go into the tunnel.

Careful of height

\n\n $\"Stop$ \n

\n\n

The ruins of PB400.

\n\n $\"PB400\"$ \n\nThe roof and the front wall were already gone. The opening at the back wall was probably the entrance of the tunnel. There was no vegetation in front of the PB in 1941.\n\n

The location of PB400

\n $\"PB400\"$ \nPB 400 guards the Shing Mun Valley in front of it. (1941 Spatial History Project) \n\n

After visiting, go back to the tunnel, turn left at the first junction. Go up the stairs

\n\n

Telephone Exchange at the right

\n\n $\"starisandtelephoneroom\"$ \n\n\n

When you reach the end of the stairs, turn left through Shaftsbury Avenue.

\n\n\n

Inspection Plate.

\n\n $\"inspectionplate\"$ \n\nThese plates were inserted on the cracks on the wall to see if the crack continues. The number indicates the date it was inserted. This plate was inserted on 20 January 1940.\n\n

“Occupied by Tōichi Chūtai (Company)”

\n $\"Occupy$

\nOriginal engraving by Lt. Wakabayashi Tōichi. His team successfully captured the tunnel at the night of 9 December 1941.\n

\n\n

You are now at Stop 6

",22.375652,114.146774,[],"\n\n\n\n\n\n\n\n\n\n*Load the page before you go into the tunnel.\nCareful of height\n\n\n\n The ruins of PB400. \n\n\n\nThe roof and the front wall were already gone. The opening at the back wall was probably the entrance of the tunnel. There was no vegetation in front of the PB in 1941.\n\n The location of PB400 \n\nPB 400 guards the Shing Mun Valley in front of it. (1941 Spatial History Project) \n\n After visiting, go back to the tunnel, turn left at the first junction. Go up the stairs\n\n Telephone Exchange at the right\n\n\n\n\n When you reach the end of the stairs, turn left through Shaftsbury Avenue.\n\n\n Inspection Plate.\n\n\n\nThese plates were inserted on the cracks on the wall to see if the crack continues. The number indicates the date it was inserted. This plate was inserted on 20 January 1940.\n\n “Occupied by Tōichi Chūtai (Company)”\n\nOriginal engraving by Lt. Wakabayashi Tōichi. His team successfully captured the tunnel at the night of 9 December 1941.\n\n\n You are now at Stop 6",[125,216,217,217,204],[],"5-pillbox-400","5-pb-400",13,"pbs-401-ab","PBs 401 AB",{"_34":203,"_64":204,"_73":205},4,{"_34":235,"_64":236,"_73":237},"Shing Mun (Jubilee) Reservoir Upper Reservoir Gorge Dam, Lo Wai, Hong Kong","\n\n\n\n\n\n\n\n\n\n

*Load the page before you go into the tunnel.

Careful of height

\n\n $\"Stop$ \n\n

$\"PB401B\"$

\n\n

This is PB 401B. It is placed here to prevent the enemy from crossing the Shing Mun Valley at the East. You can also see the Lion Rock Mountain at the back.

\n\n $\"PB401B\"$ \n\nThe straight vents at the rear top of the structure were the air vents. The air vents were designed to exhaust the smoke of the machine guns. They were concrete part pre-made in the factory and inserted instantly on the structure.\n

\n\nOriginally a roof was placed at the top of all the PBs. There was also a wall at the front. They were however destroyed by the Royal Engineers in the late 1950s after the Redoubt was long decommissioned.\n\n

PB6 at Waterfall Bay

\n $\"PB$ \nYou can imagine how PB 401B looked like. (1941 Spatial History Project)\n\n

Japanese Blueprint of PBs 400-403

\n\n $\"PB$ \n\nThe walls of the PBs were 70 cm thick, the standard thickness for splinter proof structure. If you examine the wall closely, you can see that the concrete was mixed with pebbles, a construction practice of the time. (1941 Spatial History Project)\n

Location of PBs 401 AB\n\n $\"PB$ \n\n PBs 401AB guarded the newly constructed Dam (1935) of the Shing Mun Reservoir. Unfortunately, the Japanese troops easily passed through the unwired dam on the night of 9 Dec without being spotted. The defenders of PBs 401 AB only started firing at the advancing Japanese troops after they were notified of the attack. \n\n

\n\n The defenders in PB 401B locked themselves inside and fought until morning. However, while besieging PB 401B, the Japanese troops discovered the air shafts at the back of PB 401A. Consequently, they threw in grenades through the shafts and quickly captured the PB. \n\n

You may go to PB 401A through the path at the right. The condition of PB 401A however is not as good as PB 401B.

\n\n $\"toPB401A\"$ \n\n

After visiting, go to the next stop by returning through Oxford street.

\n\n

When you meet this juncture again, go straight to PB 400. Do Not turn right to Regent Street.

\n\n $\"toPB400\"$ \n\n\n

Then turn at your next left to PB 400.

\n\n

",22.377358,114.147184,[],"\n\n\n\n\n\n\n\n\n\n*Load the page before you go into the tunnel.\nCareful of height\n\n\n\nThis is PB 401B. It is placed here to prevent the enemy from crossing the Shing Mun Valley at the East. You can also see the Lion Rock Mountain at the back.\n\n\n\nThe straight vents at the rear top of the structure were the air vents. The air vents were designed to exhaust the smoke of the machine guns. They were concrete part pre-made in the factory and inserted instantly on the structure.\n\n\nOriginally a roof was placed at the top of all the PBs. There was also a wall at the front. They were however destroyed by the Royal Engineers in the late 1950s after the Redoubt was long decommissioned.\n\n PB6 at Waterfall Bay\n\nYou can imagine how PB 401B looked like. (1941 Spatial History Project)\n\n  Japanese Blueprint of PBs 400-403\n\n\n\nThe walls of the PBs were 70 cm thick, the standard thickness for splinter proof structure. If you examine the wall closely, you can see that the concrete was mixed with pebbles, a construction practice of the time. (1941 Spatial History Project)\n Location of PBs 401 AB\n\n\n\n PBs 401AB guarded the newly constructed Dam (1935) of the Shing Mun Reservoir. Unfortunately, the Japanese troops easily passed through the unwired dam on the night of 9 Dec without being spotted. The defenders of PBs 401 AB only started firing at the advancing Japanese troops after they were notified of the attack. \n\n\n\n The defenders in PB 401B locked themselves inside and fought until morning. However, while besieging PB 401B, the Japanese troops discovered the air shafts at the back of PB 401A. Consequently, they threw in grenades through the shafts and quickly captured the PB. \n\n  You may go to PB 401A through the path at the right. The condition of PB 401A however is not as good as PB 401B.\n\n\n\nAfter visiting, go to the next stop by returning through Oxford street.\n\nWhen you meet this juncture again, go straight to PB 400. Do Not turn right to Regent Street.\n\n\n\n\nThen turn at your next left to PB 400.\n\n",[125,232,232,233,234,219],[],"4-pb-401","4-pb-401-ab","4-pbs-401-ab",12,"v-trench","V-trench",{"_34":218,"_64":219,"_73":220},3,{"_34":68,"_64":250,"_73":251},"94GW+GF Kwai Chung, Hong Kong","\n\n\n\n\n\n\n\n\n

*Load the page before you go into the tunnel.

\n\n $\"Stop$ \n\n

\n\n

V-Shape open trench with firing steps

\n\n $\"v-trench\"$
\n

It is designed in V-shape to minimize the damage of grenades. When a grenade is thrown to one side, defenders can take cover at the other side of the V trench.

\n\n\n $\"Grenade,$
\n

\n\n

When you reach the junction, turn left to PB 401 through Oxford Street.

\n $\"toPB401\"$ \n\n

At the top of the picture is the air shaft. During the battle on 9-10 December, the Japanese troops threw in grenades through these shafts.

\n\n\n

Entrance of the tunnels

\n $\"“canopyhook"\"$ \n\n

The entrance has no gate, a camouflage canopy was put on top of the entrance to cover it. The hooks on the walls were used to hold the canopy.

\n\n

Continue through the tunnel, do not exit here.

\n\n

Open trench and firing steps

\n $\"opentrench\"$

The trench was designed in zigzag shape to offer cover from blasts. Intruders need to proceed slowly when they pass through the corners as or they risk ambush behind. The name of the tunnel \"Oxford Street\" was carved on the entrance of the tunnel.

\n\n\n

\n\n

Continue through Oxford Street to PB 401.

\n",22.37626,114.14619,[],"\n\n\n\n\n\n\n\n\n*Load the page before you go into the tunnel.\n\n \n\n  V-Shape open trench with firing steps\n\n\nIt is designed in V-shape to minimize the damage of grenades. When a grenade is thrown to one side, defenders can take cover at the other side of the V trench.\n\n\n\nGrenade, fragmentation, Japanese, Type 97 (© IWM MUN 3432)\n\n When you reach the junction, turn left to PB 401 through Oxford Street. \n\n\n At the top of the picture is the air shaft. During the battle on 9-10 December, the Japanese troops threw in grenades through these shafts.\n\n\n  Entrance of the tunnels \n\n\nThe entrance has no gate, a camouflage canopy was put on top of the entrance to cover it. The hooks on the walls were used to hold the canopy.\n\n Continue through the tunnel, do not exit here. \n\n  Open trench and firing steps\n\nThe trench was designed in zigzag shape to offer cover from blasts. Intruders need to proceed slowly when they pass through the corners as or they risk ambush behind. The name of the tunnel \"Oxford Street\" was carved on the entrance of the tunnel.\n\n\n \n\n Continue through Oxford Street to PB 401.\n",[125,249,249,236],[],"3-v-trench","regent-street","Regent Street",{"_34":235,"_64":236,"_73":237},2,{"_34":23,"_64":266,"_73":267},"\n\n\n\n\n\n\n\n\n

*Load the page before you go into the tunnel.

\n\n $\"Stop$ \n\n

To your left, it is the entrance of Piccadilly; to your front, Regent Street; to your right, Shaftsbury Avenue.

\n\n $\"Regentst$ \n\n

Firing steps

\n $\"firingsteps\"$ \nThe firing steps are designed to provide cover for soldiers to fire within the trench. Back in 1938, the hills were almost bare, the soldiers could easily shoot at the enemy down the slope.\n\n

See below the historical footage of military drill at the Shing Mun Redoubt. You can see how the Indian soldiers of the Rajputana Rifles used the firing steps. (4:11) The vegetation was sparse at the time and the air shafts on the ground can been seen easily.\n\n

\n\n