ナショナルジオグラフィックのインスタグラム(natgeo) - 8月5日 19時38分

Photo by Robbie Shone @shonephoto I often get asked what it's like to camp underground for days at a time. For a week I slept here, in Lechuguilla Cave, in Carlsbad Caverns National Park. Only when I made this photograph did we see how pretty the walls were. The rock patterns and the swirls are beautiful. For millions of years, Lechuguilla has been sealed off from humans—and this is why its otherworldly crystal formations are so pristine. Access to this cave is extremely difficult to obtain, and only researchers and scientists are allowed to enter for their work. This way, the fragile formations remain preserved.

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