Prostitution in China of such measures was to gradually reduce the number of brothels in each city until the point where a "Beijing-style" closure of the remaining brothels was deemed feasible and reeducation could begin. Reeducation programs were undertaken on the largest scale in Shanghai, where the number of sex workers had grown to 100,000 following the Second Sino-Japanese War. By the early 1960s, such measures had basically wiped out visible forms of prostitution from mainland China. According to the People's Republic of China (PRC) government, venereal diseases were almost completely eliminated from the mainland contemporaneously with the control of prostitution. To mark
Koreans in China Koreans in China The population of Koreans in China include millions of descendants of Korean immigrants with citizenship of the People's Republic of China, as well as smaller groups of South and North Korean expatriates, with a total of roughly 2.3 million people , making it the largest ethnic Korean population living outside the Korean Peninsula. Chaoxianzu (), Joseonjok or Chosŏnjok () form one of the 56 ethnicities officially recognized by the Chinese government. Their total population was estimated at 1,923,842 and 1,830,929 according to the 2010 Chinese census. High levels of emigration to South Korea, which has conversely reported