A river skirts a pile of rock, sediment and silt debris deposited by the leading edge of a glacier. Great white egret A dead tree emerges from

A dead tree emerges from Kings Canyon's Lost City sandstone formation

A cascade of bubbles floats to the surface of a tropical blue ocean

Children play in the waves on a cold winters day at the beach

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A partially painted house in blue and purple on a rugged island

A river skirts a pile of rock, sediment and silt debris deposited by the leading edge of a glacier. Great white egret A dead tree emerges fromA river skirts a pile of rock, sediment and silt debris deposited by the leading edge of a glacier. Qinnguata Kuussua River, Russell Glacier, Greenland Ice Sheet, Qeqqata Municipality, Kangerlussuaq, Greenland.