Dcs57 on Wikimedia Commons Tower Bridge opened 1894. Built to the design of Sir John Wolfe Barry the whole mechanical construction is unique in the world and the acme of steam and hydraulic power in the Victorian era. Tower Bridge, London by Institution of Mechanical Engineers Colour: blue Wikimedia: Flickr: [geolocate this address] Google Streetview OpenStreetMap See also... Spudgun67 on Wikimedia Commons