2018亚洲天天射,澳门黄色电影免费三级大毛片,337p欧洲大胆艺术,男人天堂色男人色天堂,三级黄色网站,91亚洲欧美,亚洲欧美日本另类激情

Highlights of 1st Int'l Youth UAV Science Camp & Competition in China's Shaanxi

Source: Xinhua| 2019-07-21 17:06:44|Editor: Li Xia
Video PlayerClose

Contestants prepare an unmanned aerial vehicle (UAV) during the first International Youth UAV Science Camp & Competition (IYUAVSCC) in Xi'an, northwest China's Shaanxi Province, July 21, 2019. The first IYUAVSCC, launched by Chinese Society of Aeronautics and Astronautics (CSAA) and Northwestern Polytechnical University, kicked off here on Monday, attracting high school students from home and abroad. (Xinhua/Shao Rui)

   Prev 1 2 3 4 5 6 Next  

KEY WORDS:
EXPLORE XINHUANET
010020070750000000000000011100001382453591