World Water Day is this Friday, March 22nd! To celebrate we’re talking water all week – sharing maps & apps about H2O. Today’s link is a REAL TREAT! Visit National Geographic’s Underwater Photo Gallery for over 100 stunning pictures of underwater life. We’ve chosen five of our favorites to share with you here, but take some time and browse the full collection, it’s amazing.

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At GISetc.com we curate and bring you the best geography and science resources from the web. We hope our sharing will keep you up to date on the latest science and geospatial news.

All photos are from National Geographic’s gallery: http://photography.nationalgeographic.com/photography/photo-of-the-day/underwater/?page=1