A scientist evaluates plants on the roofs of model buildings at Biosphere2 in the Santa Catalina Mountains of Arizona.


A scientist evaluates plants on the roofs of model buildings at Biosphere2 in the Santa Catalina Mountains of Arizona. The "Green Infrastructure" project investigates viability of plants growing on roofs to improve harsh urban environments.


Size: 3000px × 4000px
Location: Oracle Arizona USA
Photo credit: © Marmaduke St. John / Alamy / Afripics
License: Licensed
Model Released: No

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