River cleanups reveal bottled secrets

Photo by CNN staff.

By CNN Staff 

​"They've been romanticized in movies and songs, but many people really do send messages in a bottle.

Chad Pregracke has found 64 of them, accumulating what he believes to be one of the world's largest collections.
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The 2013 CNN Hero of the Year stumbled onto them while cleaning up the country's rivers. Since 1997, he and volunteers of his nonprofit, Living Lands & Waters, have removed more than 7 million pounds of debris from U.S. waterways."

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