Interior photograph showing the ceiling of the Octagon, a community building at Construction Camp, Arcosanti

Interior photograph showing people in the Octagon (a community building) at Construction Camp, Arcosanti

Interior photograph of the Octagon, a community building at Construction Camp, Arcosanti

Interior photograph showing the ceiling of the Octagon, a community building at Construction Camp, Arcosanti

Interior photograph of Barrel Vault at Cosanti in Paradise Valley, Arizona showing plaster and cloth form work

Interior photograph of Barrel Vault under construction at Cosanti, Paradise Valley, Arizona

Interior photograph of Barrel Vault at Cosanti in Paradise Valley, Arizona showing plaster and cloth form work

Photograph showing interior view of Barrel Vault at Cosanti in Paradise Valley, Arizona

Interior photograph of Gallery/North Studio at Cosanti in Paradise Valley, Arizona showing skylight and ceiling structure

Interior photograph of Gallery/North Studio at Cosanti in Paradise Valley, Arizona showing projects and bronze bell windchimes