Ya'an plays vital role in passing down making of Tibetan tea - Xinhua | English.news.cn - Xinhua

Ya'an plays vital role in passing down making of Tibetan tea - Xinhua | English.news.cn  Xinhua

Aerial photo taken on March 11, 2019 shows a train running on the Chengdu-Ya'an railway in Ya'an City, southwest China's Sichuan Province.

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