This Graphic Shows How London Could Have Flooded Without The
Thames Barrier  Via the Environment Agency. posted on  I know,
right? Now tell your friends! This Graphic Shows How London
Could Have F... Tabatha Leggett  1. The Thames Barrier was
closed on Thursday and Friday last week, due to severe flood
warnings.  The Thames Barrier is one of the largest movable
flood barriers in the world. It protects almost 50 square miles
of central London from flooding caused by tidal surges.  2. Had
the 520m barrier not been closed, this is how London could look.
Environment Agency  The picture was released by the Environment
Agency to show what flash flooding could do to the capital.  “We
estimate that at least 800,000 homes and businesses have been
protected by flood schemes in the past 24 hours,” said Dr. Paul
Leinster, the Environment Agency’s chief executive.  3. But
although London was saved, the tidal surge caused chaos in some
of the country’s coastal areas.  It was the most serious tidal
surge the U.K. has seen