How Recycled Shoes Become Sports Floors: The Amazing Recycling Process

Why would anyone take old subway cars and put them into the ocean on purpose? In this video, we explain how retired New York subway trains were used in artificial reef programs. Instead of leaving them as scrap on land, cleaned train cars were deployed offshore to create habitat for marine life and help build reef structures. We follow the logic, the preparation, and the environmental goal behind one of the strangest second-life stories in urban infrastructure. Subscribe to Reclaim Atlas for more documentaries about the surprising afterlife of giant machines.