This year marks the 70th anniversary of the establishment of China Radio International (CRI). The first radio waves came from Yan'an caves in 1941, CRI now broadcasts in 61 languages. CRI has experienced profound changes from short-wave to frequency modulation broadcasting, from radiocast to webcast, from overseas broadcasting to international communication.Contest information and question are available at: http://english.cri.cn/7146/2011/06/01/Zt44s640581.htm
(RCI)