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Chinese couples pose for photo during a symbolic ceremony on Valentine's Day at central street in Harbin city of China,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 couples pose for photo during a symbolic ceremony on Valentine's Day at central street in Harbin city of China,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)