The three colored bands of the German national flag (black, red, and gold—just in case you forgot) have been receiving a whole lot of attention from netizens on Weibo recently, with some images of the flag receiving over 10,000 reposts. Why? The recent crackdown on prostitution in China’s ‘sex capital’ Dongguan has triggered a national debate on the legalization of prostitution in China, as well as what role the sex trade plays exactly in society.