London Topological
Bunker Drain, Warrington
Geoff Manaugh~BLDGBLOG
"The heart of modern London," as Antony Clayton writes, "contains a vast clandestine underworld of tunnels, telephone exchanges, nuclear bunkers and control centres... [s]ome of which are well documented, but the existence of others can be surmised only from careful scrutiny of government reports and accounts and occassional accidental disclosures reported in the news media."
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