Nurse Gao Qi checks health condition for a patient at Beijing Ditan Hospital in Beijing, capital of China, May 11, 2020. Beijing Ditan Hospital is one of the capital's designated hospitals for treating COVID-19 patients. Medical workers here have long been working on the front line of fighting against the virus. They were pictured by Xinhua photographer on Monday, a day ahead of the International Nurses Day celebrated on May 12 every year. (Xinhua/Peng Ziyang)