A child experiences an astronomical telescope at Yangzhou Science and Technology Museum in Yangzhou, east China's Jiangsu Province, Sept. 19, 2020. The 16th National Science Popularization Day kicked off on Saturday. Activities to popularize science started Saturday across the country and will last until Sept. 25. (Photo by Meng Delong/Xinhua)
Sixteenth National Science Popularization Day kicks off
Source: Xinhua| 2020-09-19 20:28:22|Editor: huaxia