A volunteer tells the notice to citizens at a subway station in Changchun, capital of northeast China's Jilin Province, June 30, 2017. Subway line one in Changchun started operation on Friday. (Xinhua/Lin Hong)
Subway line one in Changchun starts operation
Source: Xinhua| 2017-06-30 14:41:27|Editor: Zhang Dongmiao
KEY WORDS: subway
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