People visit a structure by Tomas Saraceno called "Cloud City" during a media preview on the rooftop of the Metropolitan Museum of Art in New York, Monday, May 14, 2012. The maker of Cloud City, ... more 
People visit a structure by Tomas Saraceno called "Cloud City" during a media preview on the rooftop of the Metropolitan Museum of Art in New York, Monday, May 14, 2012. The maker of Cloud City, Argentine artist Tomas Saraceno, wants to provoke the feeling of being in a cloud floating in the middle of several realities. (AP Photo/Seth Wenig) less 
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Associated Press | Photo By Seth Wenig
Wed, May 16, 2012 1:13 PM EDT