ナショナルジオグラフィックのインスタグラム(natgeo) - 5月31日 15時39分

Photo by Robbie Shone @shonephoto | As night falls across Wulong County, China, a lone cave explorer ascends a rope from Niubizi Tian Keng, a giant collapsed cave chamber that is now open to daylight. Clouds rise from the saturated vegetation on the floor of this mighty tian keng. The portal will soon be shrouded in total darkness, and left to its natural state.

[BIHAKUEN]UVシールド(UVShield)

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