Various activities held across China to greet annual day for science popularization

Source: Xinhua| 2018-09-15 21:02:44|Editor: mmm
Video PlayerClose

CHINA-SCIENCE POPULARIZATION-ACTIVITY (CN)

Children look at a deep-sea exhibit at Shanghai Natural History Museum in east China's Shanghai, Sept. 15, 2018. A variety of activities were held across the country to greet the annual day for science popularization in China. (Xinhua/Fang Zhe)

   Prev 1 2 3 4 5 6 7 8 9  

KEY WORDS: science
EXPLORE XINHUANET
010020070750000000000000011100001374702441
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
中文字字幕在线综合亚洲 | 亚洲免费AV在线 | 亚洲成a人v电影在线点播 | 日日狠狠久久偷偷色按摩 | 亚洲欧美精品专区精品 | 在线a免费播放v |