Maggie Viols, center left, and Molli Kleeman, both of Chicago, talk in the hot tub May 14 in Arcosanti, Ariz.

The general campsite at sundown May 14 in Arcosanti, Ariz.

Miró Justad (of the band Tangerine) and Richard Owen (of the band Fauna Shade) cuddle while watching Kodak To Graph (Mikey Maleki, featuring Brandon Warren on drums) perform May 15 in Arcosanti, Ariz.

Saul Williams performs May 14 in Arcosanti, Ariz.

Dawn Richard, third from the right, waits backstage with her dancers before their performance as D∆WN on May 13 in Arcosanti, Ariz.

Ashley Smoot of Miami sits by the window in the café May 15 in Arcosanti, Ariz.

Artist Alexa Meade of Los Angeles live paints Wendell Li of Oakland as part of a commission for FORM: Arcosanti on May 14 in Arcosanti, Ariz. Meade paints her subjects and then photographs them to make them appear two dimensional.

John Michael Picard of Los Angeles congratulates his girlfriend Lorely Rodriguez (Empress Of) after her performance on May 14 in Arcosanti, Ariz. Picard is also Rodriguez’s manager.

Skye Snyder of Eagar, Ariz. applies paint to Tabitha Rose of Venice Beach on May 14 in Arcosanti, Ariz. Rose lead yoga for participants Saturday and Sunday morning at FORM: Arcosanti.

Artists, volunteers and FORM staff eat in the café May 15 in Arcosanti, Ariz.

A view of the “urban laboratory” from the valley below May 13 in Arcosanti, Ariz.

Davina Griego, left, and David Moroney, both of Phoenix, dance atop part of the habitat May 13 in Arcosanti, Ariz.

Alyssa Arroyo and Charles Green of San Francisco perform acro yoga May 14 in Arcosanti, Ariz.

Isaac Fortoul hangs artwork made by his brother Gabriel and himself for FORM: Arcosanti May 13 in Arcosanti, Ariz.

Phoenix electronic producer Mija (Amber Giles) performs May 13 in Arcosanti, Ariz.