Description: Portsdown Tunnels. Researching underground and surface sites of Portsdown, Portsmouth, UK. Portsdown Tunnels
Keywords: portsdown, portsmouth, southwick, paulsgrove, wymering, M27, tunnel, portsdown, tunnels, underground, portal, portals, cave, caves, bunker, bunkers, pipeline, pipelines, chalkpit, portsdown, quarry, naval, spealogy, urban, speleology, military, fort, palmerston, folly, WWII,WW2, portsdown, mod, ROC, shelter, shelters, airaid, air-raid, civil defence, widley, purbrook, nelson, nuclear, cold war, portsdown
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2025年02月12日