Aerial photo taken on June 18, 2020 shows a scenery of Ertang Township in Wuxuan County, south China's Guangxi Zhuang Autonomous Region. (Xinhua/Cao Yiming)

Aerial photo taken on June 18, 2020 shows a farmer working in a field of Ertang Town in Wuxuan County, south China's Guangxi Zhuang Autonomous Region. (Xinhua/Cao Yiming)

Aerial photo taken on June 18, 2020 shows a scenery of Ertang Township in Wuxuan County, south China's Guangxi Zhuang Autonomous Region. (Xinhua/Cao Yiming)

Aerial photo taken on June 18, 2020 shows a scenery of Ertang Township in Wuxuan County, south China's Guangxi Zhuang Autonomous Region. (Xinhua/Cao Yiming)

Aerial photo taken on June 18, 2020 shows a scenery of Ertang Township in Wuxuan County, south China's Guangxi Zhuang Autonomous Region. (Xinhua/Cao Yiming)