Sunset in the Sonoran Desert near Phoenix, Arizona, USA
Karst formations reflected in Yulong River, Yangshuo, China
Yonko lake against blue sky, reflection of snowcapped mountains, Shiretoko, Hokkaido, Japan
Aerial view at dawn of Sossusvlei area, Namib-Naukluft National Park, Namib Desert, Namibia
Karstic landform in El Torcal de Antequera National park and Nature Reserve, Andalusia, Spain
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