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Chinese couple embrace at kiss box in Harbin city of China on 14 February 2017.Many Chinese couples choose Valentine's Day to celebrate love as the western Valentine's Day becomes more and more popular among young people in China. (Photo by Tao Zhang/NurPhoto via Getty Images)

Chinese couple embrace at kiss box in Harbin city of China on 14 February 2017.Many Chinese couples choose Valentine's Day to celebrate love as the western Valentine's Day becomes more and more popular among young people in China.  (Photo by Tao Zhang/NurPhoto via Getty Images)