ナショナルジオグラフィックのインスタグラム(natgeo) - 11月19日 20時21分

Photograph by @paulnicklen // In Mexico, there are thousands of miles of underground rivers. Occasionally, the Earth's crust above these bodies of water collapses allowing gorgeous shafts of light to penetrate the underworld. #followme on @paulnicklen to see a picture of a diver next to a gomphothere elephant-like skeleton at 160 feet deep that we photographed near this location. With @jennygnichols #nature #naturelovers #water #explore #dive #sun #light #instagood

[BIHAKUEN]UVシールド(UVShield)

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