Axel Heiberg Preserves Mummified Forest

Axel Heiberg Island, in Canada's High Arctic near the North Pole, holds a mummified forest that grew around 40 million years ago. Some of its dawn redwood trees reached up to 140 feet tall during a warm period, despite facing three full months of darkness each year. Mud buried the fallen trees, while the cold Arctic environment preserved their stumps, leaves, seeds, and cones.

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