Aerial photo taken on May 25, 2020 shows the field view at the Chonglou Village in Huanjiang Maonan Autonomous County, south China's Guangxi Zhuang Autonomous Region. (Xinhua/Cao Yiming)

Aerial photo taken on May 25, 2020 shows the field view at the Chonglou Village in Huanjiang Maonan Autonomous County, south China's Guangxi Zhuang Autonomous Region. (Xinhua/Cao Yiming)

Aerial photo taken on May 25, 2020 shows the field view at the Chonglou Village in Huanjiang Maonan Autonomous County, south China's Guangxi Zhuang Autonomous Region. (Xinhua/Cao Yiming)

Aerial photo taken on May 25, 2020 shows the field view at the Chonglou Village in Huanjiang Maonan Autonomous County, south China's Guangxi Zhuang Autonomous Region. (Xinhua/Cao Yiming)

Aerial photo taken on May 25, 2020 shows the field view at the Chonglou Village in Huanjiang Maonan Autonomous County, south China's Guangxi Zhuang Autonomous Region. (Xinhua/Cao Yiming)

Aerial photo taken on May 25, 2020 shows the field view at the Chonglou Village in Huanjiang Maonan Autonomous County, south China's Guangxi Zhuang Autonomous Region. (Xinhua/Cao Yiming)

Aerial photo taken on May 25, 2020 shows the field view at the Chonglou Village in Huanjiang Maonan Autonomous County, south China's Guangxi Zhuang Autonomous Region. (Xinhua/Cao Yiming)