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Sandy Chang and Orson Cheong relax on the floor inside Exxopolis, an inflatable walk-in luminarium at Grand Park in Los Angeles, California

Sandy Chang and Orson Cheong relax on the floor inside Exxopolis, an inflatable walk-in luminarium at Grand Park in Los Angeles, California, September 7, 2013. The inflatable walk-in luminarium, designed by Architects of Air, creates a maze of winding paths and domes featuring Islamic architecture, Archimedean solids, and Gothic cathedral designs. REUTERS/Jonathan Alcorn (UNITED STATES - Tags: SOCIETY)

A walk inside Exxopolis

Take a tour inside Exxopolis, an inflatable walk-in luminarium at Grand Park in Los Angeles, California. The inflatable walk-in luminarium, designed by Architects of Air, creates a maze of winding paths and domes featuring Islamic architecture, Archimedean solids, and Gothic cathedral designs.