Rooftop camping in New York City

NEW YORK, NY - JUNE 15: Artist Thomas Stevenson sets up bivouacs prior to campers arriving on an undisclosed rooftop on June 15, 2013 in the Brooklyn Borough of New York City. The project, arranged by Stevenson, is called "Bivouac New York," and sets up campsites for guests at various rooftops throughout the summer. Campers are encouraged to turn off their electronic gadgets while focusing on exploring outdoor environments within a city context and engaging in conversations with other campers. The experience is free, and campers are encouraged to bring food and drink to share with others. (Photo by Andrew Burton/Getty Images) ORG XMIT: 170738672 ORIG FILE ID: 170646756

NEW YORK, NY - JUNE 15: Artist Thomas Stevenson, far left, hands campers tool-kits while camping on an undisclosed rooftop on June 15, 2013 in the Brooklyn Borough of New York City. The project, arranged by Stevenson, is called "Bivouac New York," and sets up campsites for guests at various rooftops throughout the summer. Campers are encouraged to turn off their electronic gadgets while focusing on exploring outdoor environments within a city context and engaging in conversations with other campers. The experience is free, and campers are encouraged to bring food and drink to share with others. (Photo by Andrew Burton/Getty Images) ORG XMIT: 170738672 ORIG FILE ID: 170646749

NEW YORK, NY - JUNE 15: The New York skyline is seen at sunset while camping on an undisclosed rooftop on June 15, 2013 in the Brooklyn Borough of New York City. The project, arranged by artist Thomas Stevenson, is called "Bivouac New York," and sets up campsites for guests at various rooftops throughout the summer. Campers are encouraged to turn off their electronic gadgets while focusing on exploring outdoor environments within a city context and engaging in conversations with other campers. (Photo by Andrew Burton/Getty Images) ORG XMIT: 170738672 ORIG FILE ID: 170646748

NEW YORK, NY - JUNE 15: Arnon Schottenfels looks out at the New York skyline from an undisclosed rooftop on June 15, 2013 in the Brooklyn Borough of New York City. The project, arranged by artist Thomas Stevenson, is called "Bivouac New York," and sets up campsites for guests at various rooftops throughout the summer. Campers are encouraged to turn off their electronic gadgets while focusing on exploring outdoor environments within a city context and engaging in conversations with other campers. The experience is free, and campers are encouraged to bring food and drink to share with others. (Photo by Andrew Burton/Getty Images) ORG XMIT: 170738672 ORIG FILE ID: 170646745

NEW YORK, NY - JUNE 15: Ray Mendez sets up his sleeping pad while preparing his campsite on an undisclosed rooftop on June 15, 2013 in the Brooklyn Borough of New York City. The project, arranged by artist Thomas Stevenson, is called "Bivouac New York," and sets up campsites for guests at various rooftops throughout the summer. Campers are encouraged to turn off their electronic gadgets while focusing on exploring outdoor environments within a city context and engaging in conversations with other campers. The experience is free, and campers are encouraged to bring food and drink to share with others. (Photo by Andrew Burton/Getty Images) ORG XMIT: 170738672 ORIG FILE ID: 170646746

NEW YORK, NY - JUNE 15: Camping equipment is seen while camping on an undisclosed rooftop on June 15, 2013 in the Brooklyn Borough of New York City. The project, arranged by artist Thomas Stevenson, is called "Bivouac New York," and sets up campsites for guests at various rooftops throughout the summer. Campers are encouraged to turn off their electronic gadgets while focusing on exploring outdoor environments within a city context and engaging in conversations with other campers. (Photo by Andrew Burton/Getty Images) ORG XMIT: 170738672 ORIG FILE ID: 170646743

NEW YORK, NY - JUNE 15: Kim Holleman signs her name on the inside of her bivouac while camping on an undisclosed rooftop on June 15, 2013 in the Brooklyn Borough of New York City. The project, arranged by artist Thomas Stevenson, is called "Bivouac New York," and sets up campsites for guests at various rooftops throughout the summer. Campers are encouraged to turn off their electronic gadgets while focusing on exploring outdoor environments within a city context and engaging in conversations with other campers. (Photo by Andrew Burton/Getty Images) ORG XMIT: 170738672 ORIG FILE ID: 170646765

NEW YORK, NY - JUNE 15: Anne-Cecile Genne talks to fellow campers while camping on an undisclosed rooftop on June 15, 2013 in the Brooklyn Borough of New York City. The project, arranged by artist Thomas Stevenson, is called "Bivouac New York," and sets up campsites for guests at various rooftops throughout the summer. Campers are encouraged to turn off their electronic gadgets while focusing on exploring outdoor environments within a city context and engaging in conversations with other campers. (Photo by Andrew Burton/Getty Images) ORG XMIT: 170738672 ORIG FILE ID: 170646767

NEW YORK, NY - JUNE 15: Campers talk and share food on an undisclosed rooftop on June 15, 2013 in the Brooklyn Borough of New York City. The project, arranged by artist Thomas Stevenson, is called "Bivouac New York," and sets up campsites for guests at various rooftops throughout the summer. Campers are encouraged to turn off their electronic gadgets while focusing on exploring outdoor environments within a city context and engaging in conversations with other campers. The experience is free, and campers are encouraged to bring food and drink to share with others. (Photo by Andrew Burton/Getty Images) ORG XMIT: 170738672 ORIG FILE ID: 170646758

NEW YORK, NY - JUNE 15: Campers talk and share food on an undisclosed rooftop on June 15, 2013 in the Brooklyn Borough of New York City. The project, arranged by artist Thomas Stevenson, is called "Bivouac New York," and sets up campsites for guests at various rooftops throughout the summer. Campers are encouraged to turn off their electronic gadgets while focusing on exploring outdoor environments within a city context and engaging in conversations with other campers. The experience is free, and campers are encouraged to bring food and drink to share with others. (Photo by Andrew Burton/Getty Images) ORG XMIT: 170738672 ORIG FILE ID: 170646750

NEW YORK, NY - JUNE 15: Food and drinks are seen while camping on an undisclosed rooftop on June 15, 2013 in the Brooklyn Borough of New York City. The project, arranged by artist Thomas Stevenson, is called "Bivouac New York," and sets up campsites for guests at various rooftops throughout the summer. Campers are encouraged to turn off their electronic gadgets while focusing on exploring outdoor environments within a city context and engaging in conversations with other campers. (Photo by Andrew Burton/Getty Images) ORG XMIT: 170738672 ORIG FILE ID: 170646757

NEW YORK, NY - JUNE 15: Campers look out at the New York skyline on an undisclosed rooftop on June 15, 2013 in the Brooklyn Borough of New York City. The project, arranged by artist Thomas Stevenson, is called "Bivouac New York," and sets up campsites for guests at various rooftops throughout the summer. Campers are encouraged to turn off their electronic gadgets while focusing on exploring outdoor environments within a city context and engaging in conversations with other campers. The experience is free, and campers are encouraged to bring food and drink to share with others. (Photo by Andrew Burton/Getty Images) ORG XMIT: 170738672 ORIG FILE ID: 170646752