Whooper Swan has to fly over a long journey of 1,200 kilometers. Its persistence in life and care for its children are all respected. Sandhill cranes are looking for a way out in the wind and sand. They have to face the test of hot weather and resist the devastation of strong wind and sand. They all endure them silently and fight against nature with their chests up. There is only one purpose, that is, to find a way out and live a wonderful life. . Penguins still have to fight against sea crows in the ice and snow to protect the safety of penguin BB. Although they are full of failures and discouragement, they still stand strong. In the face of family affection, their own safety is also insignificant. - time
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