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

Juvenile science festival held in Yinchuan, NW China's Ningxia

Source: Xinhua| 2019-09-21 21:36:02|Editor: Li Xia
Video PlayerClose
CHINA-NINGXIA-YINCHUAN-EDUCATION-JUVENILE SCIENCE FESTIVAL (CN)

A young visitor operates a programmable robot during a juvenile science festival in Yinchuan, northwest China's Ningxia Hui Autonomous Region, Sept. 21, 2019. (Xinhua/Feng Kaihua)

   1 2 3 4 5 6 7 8 Next  

KEY WORDS:
EXPLORE XINHUANET
010020070750000000000000011100001384109221