Source: HKGeology app
More information about these tunnels at: http://gwulo.com/comment/37875#comment-37875
Leighton Hill tunnel layout
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Submitted by Admin
Date picture taken (may be approximate):
Tuesday, September 27, 2016
Gallery:
Connections:
- Leighton Hill tunnel layout shows Place ARP Tunnel Network 11, Leighton Hill [????- ]
