Dragon Bridge over the Li River, Yangshuo, Guangxi, China 
Aerial view of Bac Son Valley, Lạng Sơn, Vietnam 
Sharp rock formations in Tsingy de Bemaraha National Park, West Madagascar     
 
Karst pillars in Zhangjiajie National Forest Park, Hunan, China 
Landscape with Li River and karst mountains, near Xingping, Yangshuo, Guilin, Guangxi, China     
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