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CHINA-SHANGHAI-YOUTH-SCI-TECH-EXPO (CN)

(Xinhua News Agency) Updated: 2012-12-31 13:26

CHINA-SHANGHAI-YOUTH-SCI-TECH-EXPO (CN)

SHANGHAI, July 21, 2012 (Xinhua) -- Students demonstrate experiments at the 2012 Shanghai Internation Youth Science and Technology Expo in east China's Shanghai, July 21, 2012. The four-day Expo opened here on Saturday. (Xinhua/Zhang Jiansong)

 

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