GANVIE, BENIN - JANUARY 06:  A man casts a net while fishing in the lagoon on his boat on January 6, 2012 near Ganvie, Benin. Often called the Venice of Africa, Ganvie is a stilted fishing village on Lake Nokoue, near Cotonou in Benin, the largest such village in Africa, and home to approximately 20,000 residents.  (Photo by Dan Kitwood/Getty Images)