A three-dimensional map of the lower Manhattan skyline made of a Jell-O-like material by Liz Hickok, from the exhibition, You Are Here → Mapping the Psychogeography of New York City at the Pratt Manhattan Gallery till 5 November 2010. Psychogeography was defined in 1955 by theorist Guy Debord as “the study of the precise laws and specific effects of the geographical environment, consciously organized or not, on the emotions and behavior of individuals.”