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Best of Hashtag Challenge: #Underwater See the world below the surface as captured by National Geographic’s Your Shot community in these top ten images chosen by award-winning underwater photographer Brian Skerry and hashtag challenge curator Lauri Hafvenstein. Last December, members of National Geographic’s Your Shot community were invited to submit their best underwater photographs. For 90 days, every image posted with the hashtag “underwater” was reviewed by curator Lauri Hafvenstein…

Every day, our editors select their 12 favorite photos recently uploaded to Your Shot. See their choices, then check out submissions from the rest of the community.