"The site is manned by them"其中man

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• A new study shows that humans had the ability to make fire nearly 790,000 years ago,a skill that helped them migrate from Africa to Europe.By analysing flints at an archaeological site on the bank of the river Jordan,researchers at Israel's Hebrew University discovered that early civilizations had learned to light fires,a turning point that allowed them to venture into unknown lands.A previous study of the site published in 2004 showed that man had be
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