Photo shows a rainbow arching across the Alien Valley Star Geological Park in Zhangye, Northwest China's Gansu Province. A geological known as "Alien Valley" in Zhangye, Northwest China's Gansu ...
WITH names like the “Devil’s Hole” and the “Pockmark Complex”, they must look better than they sound, but these spectacular landforms are hidden beneath the sea. Did you know with a Digital ...
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