An elderly couple poses for photos with a young couple at the library of Binhai New Area in north China's Tianjin, Aug. 7, 2019. Ten pairs of couples above 70 years old took wedding photos here on Wednesday, marking the Qixi festival, or Chinese Valentine's Day. (Xinhua/Li Ran)

Elderly couples pose for photos at the library of Binhai New Area in north China's Tianjin, Aug. 7, 2019. Ten pairs of couples above 70 years old took wedding photos here on Wednesday, marking the Qixi festival, or Chinese Valentine's Day. (Xinhua/Li Ran)

A volunteer (R) gets ready to take photos for an elderly couple at the library of Binhai New Area in north China's Tianjin, Aug. 7, 2019. Ten pairs of couples above 70 years old took wedding photos here on Wednesday, marking the Qixi festival, or Chinese Valentine's Day. (Xinhua/Li Ran)

An elderly couple poses for photos at the library of Binhai New Area in north China's Tianjin, Aug. 7, 2019. Ten pairs of couples above 70 years old took wedding photos here on Wednesday, marking the Qixi festival, or Chinese Valentine's Day. (Xinhua/Li Ran)

Elderly couples pose for photos at the library of Binhai New Area in north China's Tianjin, Aug. 7, 2019. Ten pairs of couples above 70 years old took wedding photos here on Wednesday, marking the Qixi festival, or Chinese Valentine's Day. (Xinhua/Li Ran)

A volunteer puts on makeup for an elderly woman at the library of Binhai New Area in north China's Tianjin, Aug. 7, 2019. Ten pairs of couples above 70 years old took wedding photos here on Wednesday, marking the Qixi festival, or Chinese Valentine's Day. (Xinhua/Li Ran)