River Rio Celeste waterfall in Tenorio Volcano National Park, Alajuela, Costa RicaStreets and neighborhoods painted in vivid blue colors, Chefchaouen or Chaouen, MoroccoAvalanche Falls at Flume Gorge, Franconia Notch State Park, New Hampshire, USA
Tianmen cave in Tianmen Mountain National Park, Zhangjiajie, Hunan Province, ChinaStaircase on Deogyusan mountains covered with snow in winter at sunrise, South Korea
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