A staff member places sanitizer products in No. 2 Middle School of Yinchuan, northwest China's Ningxia Hui Autonomous Region, March 21, 2020. According to local authorities, students in their final year of senior and junior high schools in Ningxia will return to school by March 25. Schools are required to prepare face masks, hand sanitizer products and other disinfectants, disinfect campus, and organize emergency exercises in a bid to ensure the orderly reopening. (Xinhua/Jia Haocheng)