People visit the 31st Hong Kong Book Fair in Hong Kong, south China, July 19, 2021. The 31st Hong Kong Book Fair ended on Tuesday, attracting nearly 830,000 visitors despite the COVID-19 pandemic. The week-long event, organized by the Hong Kong Trade Development Council (HKTDC) and held at the Hong Kong Convention and Exhibition Centre, featured an extensive selection of literary works, renowned international authors and diverse cultural activities. (Xinhua/Wu Xiaochu)