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The most famous of these?rescue dogs?was Barry, a Saint Bernard who worked at the Hospice of St. Bernard, a refuge for pilgrims crossing the treacherous passes of the Swiss Alps on their way to Rome. Between 1800 and 1814, Barry saved 40 human lives.
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大牙问题：是救援狗历史，冰雪里面找到人可以先喝两口
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