Roxane Estelle Firmin (R) from Mauritus and Nomena Andrianian Razafindrakoto from Madagascar shows the Chinese characters they wrote in Nanjing, capital of east China's Jiangsu Province, April 28, 2019. A cultural exchange event between young representatives from Nanjing and foreign students from Nanjing University of the Arts was held in Nanjing. (Xinhua/Ji Chunpeng)