China News Service, Beijing, June 19th (Xinhua) "Wuchang fish enters Beijing, crayfish are free" series of theme activities kicked off on the 18th at Pingdong Market in Pinggu District, Beijing. This event was jointly organized by Xinggu Street of Pinggu District, Pinggu District Commerce Bureau and the Agriculture and Rural Affairs Bureau of Ezhou City, Hubei Province. 活动历时4天，一直持续到6月21日。