Back to school

Students raise their hands to answer a teacher's question in a primary school in Nanjing, Jiangsu province, reads in class on Thursday, the first day of the new semester for around 800,000 students in the city's kindergartens, primary and secondary schools. The starting day, scheduled for Tuesday, was postponed due to a sudden snowfall that blanketed the province late on Monday night. [Photo/Xinhua]