london tower bridge built in 1894

1894 19th century architecture attraction bascule bridge beautiful structure black & white britain british capital city clearance 139 ft open 28 closed combined confused with london drawbridge england europe exhibition famous great height 213 history horizontal walkway iconic symbol kingdom landmark monument old opened 30th june possible everlasting river thames sky start date 1886 suspension total length 801 tourism tourist tower and travel two towers uk upper level urban water