Tourists view the Baotu Spring in Jinan, east China's Shandong Province, Oct. 1, 2021. (Xinhua/Zhu Zheng)
China today: ecological civilization
Source: Xinhua| 2021-10-01 22:00:20|Editor: huaxia
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Tourists view the Baotu Spring in Jinan, east China's Shandong Province, Oct. 1, 2021. (Xinhua/Zhu Zheng)
