Artist-photographer Spencer Tunick has been documenting the live nude figure in public, with photography, since 1992. Since 1994, he has organized over 100 temporary site-related installations that encompass dozens, hundreds or thousands of volunteers, and his photographs are records of these events. In his early group works, the individuals en masse, without their clothing, grouped together, metamorphose into a new shape. The bodies extend into and upon the landscape like a substance. These group masses, which do