91热爆 One - Earth's Seasonal Secrets, Winter, The stars of Winter: Earth's Seasonal Secrets

Earth's Seasonal Secrets Winter The stars of Winter: Earth's Seasonal Secrets

How animals and plants rise to the challenges of winter.

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A long, thick coat of fur protects a coyote during the harsh winters of North America.

Earth's Seasonal Secrets—Winter

3/4 How animals and plants rise to the challenges of winter.

91热爆 One