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从300万年前的"八公山人",到1.8万年前的"山顶洞人",我们的远古祖先已经艰难地走过了至今为止历史的99.99%以上的行程。这个行程是缓慢的,曲折而艰辛,同时也是极为伟大的。当"山顶洞人"的脖子上挂上叮当作响的兽骨项链的时候,他们的饱经风霜的脸上一定是绽放着充满自信和自豪的灿烂的笑容。抬头远望,人类文明的曙光已经依稀可见了。 再过些时候,到距今1万年时,这里的人们将是怎样的呢?我们要跟大家一起巡视的就是这块古老的土地上的人们近万年来走过的艰难而又辉煌的历程。