Aerial Photo Gallery of the River Thames from Source to Estuary / River_Thames086 Photographers : Adrian Warren and Dae Sasitorn Gallery 3: River Thames and London |
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For centuries London Bridge was the only crossing
over the Thames in London. As the city grew, more bridges were built
upstream,
but not downstream since that area was busy with shipping. By the 19th
century, London's East End was so densely populated that a bridge was
urgently needed and Tower Bridge was built. It was designed
with two hydraulically operated bascules
that lift to allow ships to pass. The two 43m supporting towers have
high-level walkways for pedestrians to cross when the bascules were raised.
It took eight years to complete the construction. |
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