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

Science awareness activity held at primary school in China's Hebei

Source: Xinhua| 2018-09-18 22:35:03|Editor: Yamei
Video PlayerClose

#CHINA-SHIJIAZHUANG-SCIENCE-AWARENESS (CN)

Students watch a rocket experiment during a science awareness activity at a primary school in Shijiazhuang, north China's Hebei Province, Sept. 18, 2018. (Xinhua/Zhang Shuo)

   1 2 3 4 5 6 7 8 Next  

KEY WORDS: China
EXPLORE XINHUANET
010020070750000000000000011103261374770691