Old subway cars used to create coral reefs......how cool is that????

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I have just finished watching this news piece on the discovery channel about how they gut old subway cars in New York and use them to create coral reefs in the ocean. Basically a team of ocean scientists figure out where new reefs need to be created and then they drop them in the water. A day after the cars have been dropped, there is already a community of fish and sea creatures taking over these cars as there new homes. It was soo cool to see.