Given their age, the prints were most likely made by Homo erectus, the first human ancestor to sport long legs and short arms, Harris said.

 
  • 考虑到脚印所处的时代,它们很可能是石器时代直立猿人的遗迹,这些猿人是第一个用长腿和断臂运动的人类祖先。
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