Study traces the roots of longstanding cultural interactions across the Tibetan Plateau to prehistoric times
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Study traces the roots of longstanding cultural interactions across the Tibetan Plateau to prehistoric times

The 1 million-square-mile Tibetan Plateau—often called the "roof of the world"—is the highest landmass in the world‚ averaging 14‚000 feet in altitude. Despite the extreme environment‚ humans have been permanent inhabitants there since prehistoric times.