This combo photo shows children experiencing oracle bone script writing at the National Museum of Chinese Writing in Anyang, central China's Henan Province, Nov. 25, 2017 (upper, photo taken by Li Jianan), and Kenyan students writing Chinese calligraphy during an event celebrating the UN Chinese Language Day at the Confucius Institute at the University of Nairobi, in Nairobi, Kenya, April 18, 2023 (lower, photo taken by Han Xu). The UN Chinese Language Day is observed on April 20 every year since 2010, celebrating the language's contribution to the world while encouraging more people to learn it. (Xinhua)