This is a photographic exploration of the hidden and often abandoned infrastructure of New York City. 53 photos.

Stanley Greenberg worked in New York City government for seven years before becoming a full-time photographer. He has received grants from the Graham Foundation, the New York State Council on the Arts, and the New York Foundation for the Arts. His work has been exhibited at Columbia University and Cooper Union, and is held in several public collections, including those of the Metropolitan Museum of Art, the Brooklyn Museum of Art, and the Los Angeles County Museum of Art. His work was installed in the New York City subway system in 1997 and 1998.