Beneath the Tower Bridge in London:this river
The 
waters of the Thames are rushing 138ft beneath me and a double decker ... Do 
look down: The view of the River Thames, pedestrians and vehicles... [DOC] [TLE] Tower Bridge unveils its new glass floor - Telegraph - The Telegraph [PAR] Nov 10, 2014 ... For a view of London you've not yet seen, head to Tower Bridge ... see the tea-
coloured River Thames racing 138ft/42 metres beneath their feet... [DOC] [TLE] The rich lives of the river workers beneath London's skyscrapers [PAR] Mar 17, 2016 ... From the control room of Tower Bridge, Peter Brown has watched the 
transformation of the riverside's wasteland into luxury flats and glistening... [DOC] [TLE] Glass walkway offers views from London's Tower Bridge - CNN.com [PAR] Nov 11, 2014 ...