Language:Chinese.HardCover. Pub Date: 2019-05-01 Publisher: Reader Press 40.000 years ago. humans still make a living by hunting. A particularly long and cold winter. the wolves that searched for animal wreckage were driven by hunger and were close to human camps. In the summer. the wolves began to participate in hunting operations. Hunters have found that wolves have improved the success rate of hunting. and when people are hungry. they reduce...
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