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A general view of the Thames Barrier on January 7, 2014 in London, United Kingdom. After a period of recent storms and heavy rain, forecasters are warning that there is still more bad weather to come over the next few days.

Dan Kitwood/Getty Images

The Thames Barrier aims to prevent London, UK from being flooded by exceptionally high tides and storm surges moving up from the North Sea. After a period of recent storms and heavy rain, forecasters are warning that there is still more bad weather to come over the next few days.