ナショナルジオグラフィックのインスタグラム(natgeo) - 9月23日 23時24分

Photo by @shonephoto (Robbie Shone) - Scientists collect sediment samples from inside the U-Shaped cave in Grottedalen for analysis as part of our recent @negreenland_caves project climate research expedition supported by the National Geographic Committee for Research and Exploration.

[BIHAKUEN]UVシールド(UVShield)

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