In this photo taken Nov. 9, 2010, people walk on a breakwater made from concrete blocks used to prevent beach erosion in Cancun, Mexico. Cancun suffers from severe beach erosion problems caused by ... more 
In this photo taken Nov. 9, 2010, people walk on a breakwater made from concrete blocks used to prevent beach erosion in Cancun, Mexico. Cancun suffers from severe beach erosion problems caused by recent hurricanes and storms, and many unauthorized private efforts to mitigate the problem have helped to worsen the situation. less 
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Associated Press | Photo By Dario Lopez-Mills
Thu, Dec 2, 2010 4:34 AM EST