Another option: Climb high and look for signs of human habitation.
还有个选择：攀登到高处并寻找人类居住的迹象。
In this place ten miles around there is no signs of human habitation.
在这一地方的十英里的周围内杳无人烟。
The find was believed to be over 600,000 years old - making the oldest signs of human habitation in the world.
该发现被认为具有60万年的历史，是全世界人类居住的最古老标志。
He'd glimpsed some ruins along the Banks, piles of masonry overgrown by vines and moss and flowers, but no other signs of human habitation.
他瞥到沿河两岸的废墟，杂草丛生，爬满了藤蔓青苔和野花，满目疮痍，再没有人类栖居地的痕迹。
He'd glimpsed some ruins along the Banks, piles of masonry overgrown by vines and moss and flowers, but no other signs of human habitation.
他瞥到沿河两岸的废墟，杂草丛生，爬满了藤蔓青苔和野花，满目疮痍，再没有人类栖居地的痕迹。
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