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Discovery Sheds Light on Sichuan's Prehistoric Locals A group of researchers arrived at a mesa in a remote village one early March day in Maerkang County in the Aba Tibetan and Qiang Autonomous Prefecture of Southwest China's Sichuan Province. They began to dig squares, inch by inch, attracting attention from the local people. Rare Ancient Monastery Moat Discovered in Tibet 2,300-year Old Tombs Discovered in Central China -More-