Chinese doctor Li Xiushan checks the eyes of a boy at the Ethio-China Friendship Hospital, located in Akaki at the outskirts of Ethiopia's capital Addis Ababa, Ethiopia, Aug. 17, 2018. The 20th batch of the Chinese medical team, which constitutes 16 medical professionals, is based at Tirunesh-Beijing Hospital, also known as the Ethio-China Friendship Hospital. China issued the first Medical Workers' Day on Aug. 19.(Xinhua/Lyu Shuai)