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
Columns outside Supreme Court building, Washington DC, USA
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