ナショナルジオグラフィックのインスタグラム(natgeo) - 2月20日 09時52分

More than 70 percent of the Earth is covered by water and humans have only explored a fraction of it. With waterproof cameras, National Geographic photographers have figured out how to merge our world with the mysterious one below.
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To celebrate reaching 100 million followers, we’re resharing a few photos taken at sea level you’ve liked most. Remember to post your best Nat Geo-inspired photos using the hashtag #natgeo100contest for a chance to win a Nat Geo photo safari to Tanzania. Carousel photos by @paulnicklen, @daviddoubilet, @paulnicklen, @Thomas Peschak, @jenniferhayesig.

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