Aerial photo taken on Nov. 7, 2020 shows a view of Nanhu Lake and the surrounding areas in Nanning, capital city of south China's Guangxi Zhuang Autonomous Region. (Xinhua/Lu Boan)

In this aerial photo taken on Nov. 7, 2020, citizens have fun on a lawn near Nanhu Lake in Nanning, capital city of south China's Guangxi Zhuang Autonomous Region. (Xinhua/Lu Boan)

Aerial photo taken on Nov. 7, 2020 shows a view of Nanhu Lake and its adjacent green areas in Nanning, capital city of south China's Guangxi Zhuang Autonomous Region. (Xinhua/Lu Boan)

Aerial photo taken on Nov. 7, 2020 shows a view of Nanhu Lake and its adjacent green areas in Nanning, capital city of south China's Guangxi Zhuang Autonomous Region. (Xinhua/Lu Boan)