(250629) -- MEXICO CITY, June 29, 2025 (Xinhua) -- A visitor learns about a Huawei device at the exhibition area of China during the book fair in Mexico City, capital of Mexico, June 27, 2025. The 42nd International Book Fair of the National Polytechnic Institute of Mexico was held here recently. China, as the guest country, showcased achievements in publication, cultural inheritance and sci-tech development. (Xinhua/Li Mengxin)













