Image via Gothamist

By now, you’ve probably seen Stephen Mallon’s insane photo series showing thousands of subway cars being tossed into the ocean. The unlikely MTA initiative was undertaken more than ten years ago with the goal of creating artificial reefs that would support sea life along the Eastern seabed. Now fast forward a decade plus, and the fruits of the agency’s environmental efforts can finally be seen in these incredible underwater images from Express Water Sports.

See them all here