中文字幕无码久久人妻_中国无码a一级刺激片_国产综合色产在线观看_色多黄片资源2020

Pupils attend scientific carnival at youth activity center in SW China's Guizhou

Source: Xinhua| 2018-08-12 21:36:16|Editor: Shi Yinglun
Video PlayerClose

#CHINA-GUIZHOU-DANZHAI-SCIENCE AND TECHNOLOGY ACTIVITY (CN)

Pupils view electric robot arms controlled by a volunteer during a scientific carnival at a youth activity center in Danzhai County, Qiandongnan Miao and Dong Autonomous Prefecture, southwest China's Guizhou Province, Aug. 12, 2018. (Xinhua/Huang Xiaohai)

   Prev 1 2 3 4 5 6 Next  

KEY WORDS: scientific
EXPLORE XINHUANET
010020070750000000000000011100001373853581