Don't look down! Glass floor unveiled at Tower Bridge
London's latest attraction was unveiled today - and you need a head for heights to enjoy it!
A special glass floor has been installed 138 feet above the River Thames at Tower Bridge after a £1 million improvement.
The floor will allow visitors an amazing aerial view and is the most significant change since the Tower Bridge Experience opened in 1982, as these stunning pictures show: (all pictures: PA)
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