Couples prepare to take wedding photos in Nanjing, east China's Jiangsu Province, May 19, 2020. A total of 15 couples took wedding photos in Nanjing on Tuesday ahead of their group wedding ceremony on May 20. Some of the newly-weds are medical workers who have postponed their weddings due to their participations in the fight against the COVID-19 pandemic.Photo:Xinhua

Wang Weiwei (C) tries a wedding dress in Nanjing, east China's Jiangsu Province, May 19, 2020. Wang is a doctor of ICU department of Jiangsu Province Hospital, and has been in Wuhan to aid the coronavirus control efforts for 45 days. A total of 15 couples took wedding photos in Nanjing on Tuesday ahead of their group wedding ceremony on May 20. Some of the newly-weds are medical workers who have postponed their weddings due to their participations in the fight against the COVID-19 pandemic.Photo:Xinhua

Feng Dandan (R) takes wedding photos with Duan Jinqi in Nanjing, east China's Jiangsu Province, May 19, 2020. Feng is a nurse of Sir Run Run Shaw Hospital of Nanjing Medical University, and has been in Wuhan to aid the coronavirus control efforts there. A total of 15 couples took wedding photos in Nanjing on Tuesday ahead of their group wedding ceremony on May 20. Some of the newly-weds are medical workers who have postponed their weddings due to their participations in the fight against the COVID-19 pandemic.Photo:Xinhua

Couples pose for a group photo in Nanjing, east China's Jiangsu Province, May 19, 2020. A total of 15 couples took wedding photos in Nanjing on Tuesday ahead of their group wedding ceremony on May 20. Some of the newly-weds are medical workers who have postponed their weddings due to their participations in the fight against the COVID-19 pandemic.Photo:Xinhua

Wang Weiwei (R) takes wedding photos with Zhou Sijia in Nanjing, east China's Jiangsu Province, May 19, 2020. Wang is a doctor of ICU department of Jiangsu Province Hospital, and has been in Wuhan to aid the coronavirus control efforts for 45 days. A total of 15 couples took wedding photos in Nanjing on Tuesday ahead of their group wedding ceremony on May 20. Some of the newly-weds are medical workers who have postponed their weddings due to their participations in the fight against the COVID-19 pandemic.Photo:Xinhua

A couple prepares to take wedding photos in Nanjing, east China's Jiangsu Province, May 19, 2020. A total of 15 couples took wedding photos in Nanjing on Tuesday ahead of their group wedding ceremony on May 20. Some of the newly-weds are medical workers who have postponed their weddings due to their participations in the fight against the COVID-19 pandemic. Photo:Xinhua