This March 14, 2010 photo provided by architect Arthur Cotton Moore shows 

This March 14, 2010 photo provided by architect Arthur Cotton Moore shows flood gates Moore designed protecting the Washington Harbour complex in the Georgetown area of Washington from waters overflowing from the Potomac River. (AP Photo/Arthur Cotton Moore)
Associated Press
This March 14, 2010 photo provided by architect Arthur Cotton Moore shows flood gates Moore designed protecting the Washington Harbour complex in the Georgetown area of Washington from waters overflowing from the Potomac River. (AP Photo/Arthur Cotton Moore)
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