![#CHINA-BEIJING-NUCLEAR INDUSTRY-EXHIBITION (CN)](133266369_11n.jpg)
A staff member demonstrates a nuclear detection robot at the exhibition "Nuclear Industry China 2014" in Beijing, China, April 15, 2014. The four-day exhibition kicked off here Tuesday. Nearly 200 companies from 40 countries displayed their products developed in recent years. (Xinhua/Zhao Bing)