Photograph showing roof structure of South Apse at Cosanti in Paradise Valley, Arizona

Photograph of Barrel Vault and retaining wall at Cosanti in Paradise Valley, Arizona

Photograph showing Barrel Vault, retaining wall and unidentified people at Cosanti in Paradise Valley, Arizona

Photograph showing people working on construction at Cube City, an area of living quarters at Construction Camp, Arcosanti

Photograph showing people working on construction of cubes for Cube City, an area of living quarters at Construction Camp, Arcosanti

Photograph showing construction materials and equipment for Cube City, an area of living quarters at Construction Camp, Arcosanti

Photograph showing people working on construction of cubes for Cube City, an area of living quarters at Construction Camp, Arcosanti

Photograph of swimming pool and concrete canopy, with view of Student Apse in background, at Cosanti in Paradise Valley, Arizona

Photograph of Student Apse at Cosanti in Paradise Valley, Arizona

Photograph showing people working on construction of cubes for Cube City, an area of living quarters at Construction Camp, Arcosanti