Here, the reverse side of Future Cities Lab's XEROMAX prototype wall for a desert habitat. Photo courtesy Diana Pau. Photo 2 of 13 in Envelopes: Pratt Manhattan Gallery by Miyoko Ohtake

Envelopes: Pratt Manhattan Gallery

2 of 13

Here, the reverse side of Future Cities Lab's XEROMAX prototype wall for a desert habitat. Photo courtesy Diana Pau.