Student Huang Yahui takes online course at her home in Fengtai District of Beijing, capital of China, Feb. 17, 2020. The beginning of the spring semester of 2020 in Beijing is delayed due to the novel coronavirus epidemic. Middle and primary school students in Beijing, under the instruction of teachers, started to take online courses supplementarily on Monday, the original starting date of the spring semester. (Photo by Chen Zhonghao/Xinhua)