1929: Tolo Harbour (2).jpg
1965: Work went ahead inside the Lion Rock Tunnel 1965
1976: Lion Rock Tunnel 1976
2008: OP Sir Cecil's Ride 4
2011: Kai Tak Tunnel Western Entrance
2012: Tai_Tam_Reservoir,_Stone_House&Tunnel_Outlet
2012: Japanese Tunnel Tai Tam
2016: Pillbox no.3 Tunnel Steel Door, Wong Nai Chung Gap