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Huairou Science City × China Film Group Studios × Tsinghua University EcoBay Alliance and China Macao Federation of Youth Culture delegation at the Second Gate of Tsinghua University From April , EcoBay Alliance and China Macao Federation of Youth Culture jointly organised a Beijing study tour for young people from the Greater Bay Area. The group visited Huairou Science City, the China Film Group Huairou Studios, and Tsinghua University, gaining a closer look at China's dev