Behind Barnacle Bros. studio, Hector Calderon created a spray-painted, Alien and Predator-themed mural on the cement block wall. Hear from this graffiti artist and one of the founders of Zocaloc Productions as he discusses his work and methods. The Barnacle Bros. fabricated the floating "i-land" for Andre Zittel's installation at the Indianapolis Museum of Art's 100 Acres Art and Nature Park.