The disappearance of tennis star Peng Shuai in China following her accusations of sexual assault against a former top Communist Party official has shined a spotlight on similar cases involving political dissidents, entertainers, business leaders and others who ran afoul of the authorities.

In this photo released by China's Xinhua News Agency, attendees applaud during a ceremony to mark the official end of extreme poverty in China held at the Great Hall of the People in Beijing, Thursday, Feb. 25, 2021. The party announced in November, with little fanfare, that China no longer had anyone in extreme poverty. AdThey credit Xi with launching an initiative shortly after taking power in 2012 that enabled China to beat by a decade the 2030 target set by the World Bank for eliminating extreme poverty. China’s official definition of extreme poverty is an income per person of 11 yuan ($1.70) per day. The World Bank’s middle-income poverty standard is income of $5.50 per person per day.