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
Tourists view the Baotu Spring in Jinan, east China's Shandong Province, Oct. 1, 2021. (Xinhua/Zhu Zheng)