Photo of the Day

an ice cave on Lake Baikal in Siberia
July 5, 2016

Crystal Cave

An ice cave beckons on Lake Baikal, the world’s oldest and deepest freshwater lake, located in Siberia. Photographers eager to capture an image like this one should be ready to brave the bone-chilling Siberian winter, which renders Lake Baikal sealed by a thick sheet of ice between November and March.

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Photograph by Xiao Zhu, National Geographic Your Shot

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