Beneath the Tower Bridge in London:this river
The Tower Bridge Exhibition allows you to tour the interior of the ... see the rush 
of London traffic beneath you and the cloudy water of the river... [DOC] [TLE] Subterranea Britannica: Sites: Hydraulic power in London [PAR] In London, water power was transmitted through a vast network of hydraulic ... 
river through Rotherhithe Tunnel and the Tower Subway beneath the Pool of 
London.