Covered

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Drifting valley

When it calved from the Ross Ice Shelf in March 2000, the iceberg known as B-15 was the largest iceberg in the world. At more than 4,000 square miles, it was the size of the island nation of Jamaica at its largest. It has been breaking into smaller fragments that float around Antarctica since 2005. Several of them come together in this image by Your Shot photographer Emily Walter, creating a blue valley in the Weddell Sea.
Reblogged from National Geographic

Redwall

Redwall Cavern, one of the Grand Canyon’s most iconic sites, dwarfs this visitor to the national park, which was established on February 26, 1919. The amphitheater was carved by the Colorado River’s flows through the limestone valley and is a popular stop on rafting trips.
Reblogged from National Geographic

Soft sand

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An impressive cloud formation passes over the Mesquite sand dunes in Death Valley National Park. I’ve been lucky to get some pretty interesting conditions the few times I’ve been to this area. One of my favorite things I’ve done in the wilderness, is to be comfortably settled into the nice soft sand, watching weather move through the valley. Such a cool place.

Reblogged from fstoppers.com

Look at all the lights

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A layer of low clouds covers the alpine valleys of northern Italy, just south of Lake Como. The clouds are just dense enough to hide uniformly the valley and also filter the artificial lights below like they were an opaque blanket. Above the layer, moonlight and high cirrus clouds make the night less dark. You can easily recognize the round shape of Lago di Olginate and the lights of the villages all around its banks.

Reblogged from National Geographic