Students observe as a drone flies through circles during the seventh primary and middle school technology games at Shijiazhuang No. 4 Middle School in Qiaoxi District of Shijiazhuang, capital of north China's Hebei Province, Dec. 26, 2018. (Xinhua/Liang Zidong)
Xinhua photos of the day
Source: Xinhua| 2018-12-27 15:06:11|Editor: Li Xia
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