Karst pillars in Zhangjiajie National Forest Park, Hunan, China
Remains and ruins of ancient abandoned city of Pompeii, near Naples, Campania, Italy
Quartz sandstone pillars, Tianzi (Avatar) Mountains, Zhangjiajie National Forest Park, China
Unusual natural landscapes - The Crowley Lake Columns in California, USA
The Lounge of the Throne Palace of La Aljafería, Zaragoza, Aragón, Spain
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