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Earth Day: The remarkable world around us

Photos Logo Photos | Slide 1 of 76: YAMALO, RUSSIA - APRIL 08: Northern Lights seen near the town of Salekhard, Yamalo-Nenets Autonomous Okrug, Russia on April 08, 2016. (Photo by Sergey Anisimov /Anadolu Agency/Getty Images)

Earth Day is marked on April 22 to spread awareness on environmental protection worldwide. Let's look at some beautiful images from our blue planet.

(Pictured) Northern Lights near the town of Salekhard, Russia.

© Sergey Anisimov/Anadolu Agency/Getty Images
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