- 问题详情:Watchingbisonupcloseisfascinating,likewatchingagrassfireabouttoleapoutofcontrol.Withtheirhuge,wedge-shapedheadsandsilver-dollar-sizebrowneyes,the2,000-poundanimalsaresymbolsofanotherplaceandtime.Morethan100bisonnowroamthe30,000-acreAmericanPr...
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