Subway/trains can see photographer Stephen Mallon’s images iconic subway cars, repurposed to become an artificial reef on the ocean floor. These symbols of industry and busy city life, which carried millions of passengers along New York City’s iron rails for decades, appear shrunken in scale when set against the vastness of the Atlantic seascape. Dropped like toys by brightly-colored cranes off hulking barges between 2001 and 2010, these decommissioned train cars now begin the next chapter of their useful life – as a flourishing new habitat for marine life.