The step-pyramid of El Castillo (Temple of Kukulcán), Chichén Itzá, Yucatan, Mexico
Color glass pebbles beach in Fort Bragg, Mendocino County, California, USA
Medieval Bojnice castle in Slovakia
Starry night in the Gobi Desert, Ordos, Inner Mongolia, China
Night view of the fountain at the Place de la Concorde, Paris, France
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