Image: Metropolitan Transportation Authority / Patrick Cashin
Large machinery is dwarfed by the massive subterranean chambers.
There are large, damp, labyrinthine caves and hulking monsters beneath the borough of Manhattan. However, they are not the kind that feature in B movies, but rather are the product of human industry. These vast caverns under one of the world’s most vibrant cities have been bored, drilled and blasted to create New York’s newest subway, the Second Avenue Subway. Inside the cavities are bright yellow “monsters,” the heavy machinery required for such a massive undertaking.