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the first people to live at high elevations snacked on giant mole rats
衣索比亞
ancient africa
ancient people did stuff
archaeology
east africa
human migration
hunter gatherers
技术
科学
源
native americans managed the prairie for better bison hunts
蒙大拿
ancient people did stuff
anthropocene
blackfeet
grassland
great plains
hunter gatherers
native americans
north america
paleoecology
prairie fires
技术
科学
源
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