国产一级免费电影,国产自产在线视频一区,国产一区亚洲,久久国产精品视频,日本美女天天操b,九色激情,成年轻人网站色直接看

Drones introduced to schools' extracurricular activities in N China's Hebei

Source: Xinhua| 2018-03-16 15:35:27|Editor: Jiaxin
Video PlayerClose

CHINA-HEBEI-EDUCATION-DRONE (CN)

Students practice operating a drone at Kaiping Primary School in the Kaiping District of Tangshan, north China's Hebei Province, March 15, 2018. The Education Department of Kaiping has purchased more than 100 drones, which are used to hold extracurricular activities at schools in the district. (Xinhua/Yang Shiyao)

   1 2 3 Next  

KEY WORDS: drones
EXPLORE XINHUANET
010020070750000000000000011100001370435091