High school students show a robot designed by themselves at the Innovation Garage during the 139th Canadian National Exhibition in Toronto, Canada, Aug. 18, 2017. (Xinhua/Zou Zheng)
139th Canadian National Exhibition kicks off in Toronto
Source: Xinhua| 2017-08-19 11:01:47|Editor: Song Lifang
KEY WORDS: exhibition
YOU MAY LIKE
MORE PHOTOS
