片库网_枪炮病菌与钢铁：
BasedonJaredDiamond’sPulitzerPrize-winningbookofthesamename,Guns,GermsandSteeltraceshumanity’sjourneyoverthelast13,000years-fromthedawnoffarmingattheendofthelastIceAgetotherealitiesoflifeinthetwenty-firstcentury.
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