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Graduating master's students toss their academic caps into the sky as they pose for photos at Nanjing Agricultural University in Nanjing, east China's Jiangsu Province, June 21, 2018. (Xinhua/Ji Chunpeng)
Graduating master's students toss their academic caps into the sky as they pose for photos at Nanjing Agricultural University in Nanjing, east China's Jiangsu Province, June 21, 2018. (Xinhua/Ji Chunpeng)