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
国产无码在线观看免费在线,37pao国产成视频,日韩一区二区视频在线,国产国产人免费人成免费视频麻豆
日韩欧美国产一区精品 | 亚洲成色在线综合网站免费 | 亚洲中文字幕无线乱码2020 | 日韩欧美中文在线精品 | 亚洲欧美日韩在线网 | 香蕉人成年视频在线观看 |