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Zhangjiakou's eco-friendly approach in preparing for 2022 Olympic and Paralympic Winter Games boosts its green transformation

By Zhang Zhifeng Source: People's Daily Updated: 2021-09-08

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Photo taken on August 10, 2021 shows a photovoltaic power station near Zhangjiazhuang village, Zhangjiakou city, north China's Hebei province. [People's Daily Online/Chen Xiaodong]

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