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A pair of twins, Wang Jiabin (R) and Wang Jiawen play on the T3089 train from Hefei of east China's Anhui Province to Guangzhou of south China's Guangdong Province, Feb. 12, 2019. Accompanied by their parents, the twins leave their hometown for Guangzhou, the city where their parents work. As the Spring Festival holiday ended, people flocked back to cities where they work. (Xinhua/Zhang Duan)
