This Feb 27, 2020, photo released by Louis Wang, shows his work desk with laptop and textbooks at home in northeast China. Wang, a middle school history teacher in northeast China, said his workload has ballooned due to the arduous process through which online classes must be approved. Chinese schools turning to online learning during a virus outbreak are running into the country's ubiquitous and often arbitrary internet censorship. (Louis Wang via AP)

March 3, 2020