NZP-Elephant-Trails—Green

Published March 5, 2012 at 540 × 361 in A sustainable Smithsonian
Green roof and operable skylights for natural daylight and ventilation on the completed barn for Elephant Trails at the National Zoo.

Green roof and operable skylights for natural daylight and ventilation on the completed barn for Elephant Trails at the National Zoo.

Green roof and operable skylights for natural daylight and ventilation on the completed barn for Elephant Trails at the National Zoo.

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