Pan Lianxue shows the skills of tui na (Chinese therapeutic massage) to her local employee at her clinic in Nairobi, Kenya, Aug. 17, 2018. Pan Lianxue and her husband Luo Zhanliang, both Chinese doctors in traditional Chinese medicine, have been operated a clinic in Nairobi for over 20 years attracting more and more African patients. China issued the first Medical Workers' Day on Aug. 19.(Xinhua/Li Yan)