Under London

Crypts, catacombs, tunnels, tombs, cellars, bunkers, vaults and underground chambers hidden beneath the city conjure up a mixture of fascination, eeriness and foreboding for many people. What dark mysteries lurk beneath the busy roads, pavements and shops? London has an underground network of tunnels that stretch for hundreds of miles but what is this other London? This guide lists the many intriguing sites that can be visited and includes three guided walks.