“On two walls of the exhibition, seven monitors display aerial videos of structures that look like skate parks or racetracks or runways for intergalactic spacecraft until you notice the tiny houses, streets and skyscrapers in their backgrounds. The massiveness of the poured concrete structures and piled rock embankments hits you in ways 18th century philosophers described as sublime.

All of the bulwarks were made to form a network to protect Las Vegas from flash floods, which, given the geography of the region can be apocalyptic.”

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