A visitor writes Chinese characters on his phone in an exhibition on Chinese characters in Chinese National Museum in Beijing, capital of China, Aug. 24, 2019. An exhibition on the selected Chinese character styles is held in Beijing to present the achievement of a program to enrich the Chinese font library in which a total of 100 Chinese calligraphers' works are studied and recoded into computer-friendly version. The first 12 styles of Chinese characters were unveiled in the exhibition. (Xinhua/Shen Bohan)