A girl reads the introduction of Chinese "Nv shu" during an exhibition in Geneva, Switzerland, April 19, 2016. As the United Nation (UN) marks Chinese Language Day Tuesday, the Permanent Representative of China to the UN Office at Geneva, Ambassador Ma Zhaoxu, introduced this year's exhibition celebrating "Nv Shu," a unique and ancient Chinese form of women's calligraphy originating from Jiangyong County in central China. (Xinhua/Xu Jinquan)