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Aerial view of Hangu salt mine in Tianjin

Source: Xinhua| 2019-09-19 21:03:29|Editor: mingmei
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CHINA-TIANJIN-SALT MINE-SCENERY (CN)

Aerial photo taken on Sept. 19, 2019 shows brine pools of the Hangu salt mine in north China's Tianjin Municipality. (Xinhua/Yue Yuewei)

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