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Chinese couples kiss as they stand on a glass bridge during a kissing contest on Valentine's Day in Pingjiang, central China's Hunan province on February 14, 2017. / AFP / STR / China OUT (Photo credit should read STR/AFP/Getty Images)

Chinese couples kiss as they stand on a glass bridge during a kissing contest on Valentine's Day in Pingjiang, central China's Hunan province on February 14, 2017. / AFP / STR / China OUT        (Photo credit should read STR/AFP/Getty Images)