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The secrets of Petra, a wonder of the world erected by desert nomads
To carve the ancient city of Petra into sandstone walls, while protecting the lives of workers, the Nabataeans resorted to carving giant steps in the mountain. With their ancestral engineering (and work safety) techniques, this nomadic people created the monuments of this emblematic architectural treasure in the middle of the desert two millennia ago.
11/08/2022
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