People visit the 28th Beijing International Book Fair in Beijing, capital of China, Sept. 14, 2021. The book fair kicked off Tuesday and is scheduled until Sept. 18. It has attracted roughly 2,200 exhibitors from 105 countries and regions, including 57 along the Belt and Road, said the organizer, adding that over 300,000 books are on display. (Xinhua/Ju Huanzong)