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A couple is flying Kongming lantern to mark Valentine's Day at Songhuajiang River 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)

A couple is flying Kongming lantern to mark Valentine's Day at Songhuajiang River 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)