Rafael Lozano-Hemmer: A Public Artwork Paints The Sky With Light

Rafael Lozano-Hemmer creates art and relational architecture to foster community, thinking of his interactive works as "public fountains." His latest installation, Open Air, records voice messages via smartphone app and translates them into patterns made by 24 spotlights fixed on the Philadelphia skyline.

Find out how Lozano-Hemmer's work fosters urban experiences in our behind-the-scenes video.