Amongst the sea of humanity that is the island of Manhattan, the NYPD police and firefighters of New York are ever present parts of the urban landscape. Theirs is a tireless vigil amplified by the events of 9/11, 15 years ago.
Catching them camera obscura as they work is something like looking into the soul of the city. Over my time photographing the city I have been lucky enough to capture many of these images. Here is a sample of my favorites: