A medical worker wipes her tears as she and her team members gather to say goodbye before leaving Wuhan, Central China's Hubei province, on March 25, 2020. They were dispatched from Southwest China's Guizhou province to aid in the prevention and treatment efforts in Wuhan, the hardest-hit region by COVID-19 disease. [Photo by Zhu Xingxin/chinadaily.com.cn]