Various activities held across China for upcoming World Book Day

Students read books in front of a "bus library" in a primary school in Yangwu Township of Danzhai County, southwest China's Guizhou Province, April 22, 2019. Various activities have been held across China for the upcoming World Book Day, which is celebrated yearly on April 23 to promote reading, publishing and copyright. (Xinhua/Huang Xiaohai)