Hungary border fence Wang Huijuan/ZumaPress



第二次世界大战结束时,全世界只有五座边境墙。如今,根据魁北克大学蒙特利尔分校的伊丽莎白·瓦利特(Elisabeth Vallet)的数据,全球有65座边境墙,其中四分之三是在过去20年建设的。在美国,共和党总统候选人们承诺要建更多边境墙。在共和党候选人竞争中领跑的唐纳德·特朗普(Donald Trump)一再建议沿着墨西哥边境全线建立一座墙。在一次周日晨间脱口秀上,另一位共和党候选人、威斯康辛州州长斯科特·沃克尔(Scott Walker)在加拿大边境建设一座边境墙是“一个我们看来相当合理的事项”。


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