Photo taken on Feb. 3, 2018 shows a boy reading a book at Havana's International Book Fair in Havana, Cuba. An incessant flow of people entering and leaving the main pavilion at Havana's International Book Fair clearly indicates the people's strong interest in this year's featured guest country: China. Cuba's International Book Fair 2018 opened here on Feb. 1 amid drumroll with China as this year's guest country. (Xinhua/Joaquin Hernandez)