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
Hạ Long Bay limestone pillars, Quảng Ninh Province, Vietnam
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