Students hold handwritten Chinese slogans to support China in the battle against the novel coronavirus on Feb 25, 2020. Teachers and students of Chinese at the University of Khartoum in Sudan support epidemic-stricken China through an exhibition featuring Chinese culture. (Photos: Xinhua)

Teachers and students of Chinese at the University of Khartoum in Sudan support epidemic-stricken China through an exhibition featuring Chinese culture,Feb 25, 2020.