03/08/2012 11:38 am ET

Brazil's Rich Building Mansions In Nature Preserves

From the sparkling, emerald-green waters of the Atlantic off the east coast of Brazil, Cavala Island looks like a tropical paradise of lush vegetation framed by giant rocks. It’s also where millionaire Antonio Claudio Resende, a founder of Latin America’s largest car-rental company, became a squatter.

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