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

China's Antarctic expedition team takes sample from snow pit

Source: Xinhua| 2018-12-21 07:31:56|Editor: Xiaoxia
Video PlayerClose

ANTARCTICA-CHINA-EXPEDITION-SAMPLE

A member of China's 35th research expedition takes the sample from a snow pit in Antarctica, Dec. 20, 2018. (Xinhua/Liu Shiping)

   Prev 1 2 3 4 5  

KEY WORDS: China
EXPLORE XINHUANET
010020070750000000000000011100001376883281