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

"POPnology" exhibition held at Pacific National Exhibition in Vancouver

Source: Xinhua| 2018-08-20 08:11:13|Editor: Yurou
Video PlayerClose

CANADA-VANCOUVER-EXHIBITION-POPNOLOGY

A visitor looks at an exhibit at the "POPnology" exhibition at the Pacific National Exhibition in Vancouver, Canada, Aug. 19, 2018. "POPnology" is a touring showcase that features ideas like artificial intelligence, 3-D printers and virtual reality, and how those things evolved from science fiction to science fact. (Xinhua/Liang Sen)

   Prev 1 2 3 4 5 6 Next  

KEY WORDS: exhibition
EXPLORE XINHUANET
010020070750000000000000011100001374036021