Dinosaur tracks from the Jurassic period found near Tuba City, Arizona, in the Navajo Nation © wanderluster/Getty Images

Dinosaur tracks from the Jurassic period found near Tuba City, Arizona, in the Navajo Nation © wanderluster/Getty Images

Dinosaur tracks from the Jurassic period found near Tuba City, Arizona, in the Navajo Nation © wanderluster/Getty Images
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