Tower Bridge - Wikipedia, the free encyclopedia
1 History 1.1 Opening 1.2 Construction 2 Design 2.1 Hydraulic system 2.1.1 Third steam engine 2.2 Navigation control 3 Reaction 4 Mistaken identity 5 Traffic 6 Tower Bridge Exhibition and the tower walkways 7 2008–2012 facelift 8 London 2012 Olympics and ...