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
          无码人妻一区二区三区四区av_亚洲精品911在线永久观看_精品一区二区国产在线观看_日韩不卡一区二区视频在线

                  午夜影院在线亚洲 | 日韩女同一区二区三区 | 亚洲色制服中文字幕 | 香蕉视观看在线a | 亚洲中文字幕乱码影视 | 亚洲综合一区精品一区 |