Exhibition featuring aviation, navigation held in China's Shandong

Source: Xinhua| 2018-10-14 19:41:11|Editor: Yang Yi
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#CHINA-SHANDONG-RONGCHENG-AVIATION-EXHIBITION (CN)*

A student learns programming at a session of an exhibition featuring aviation and navigation in Rongcheng, east China's Shandong Province, Oct. 14, 2018. (Xinhua/Wang Nan)

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