Aerial photo taken on June 5, 2018 shows terrace fields in Gandong Township of Rongshui Miao Autonomous County, south China's Guangxi Zhuang Autonomous Region. (Xinhua/Huang Xiaobang)

Aerial photo taken on June 5, 2018 shows terrace fields in Gandong Township of Rongshui Miao Autonomous County, south China's Guangxi Zhuang Autonomous Region. (Xinhua/Huang Xiaobang)

Aerial photo taken on June 5, 2018 shows terrace fields in Gandong Township of Rongshui Miao Autonomous County, south China's Guangxi Zhuang Autonomous Region. (Xinhua/Huang Xiaobang)

Aerial photo taken on June 5, 2018 shows terrace fields in Gandong Township of Rongshui Miao Autonomous County, south China's Guangxi Zhuang Autonomous Region. (Xinhua/Huang Xiaobang)

Aerial photo taken on June 5, 2018 shows terrace fields in Gandong Township of Rongshui Miao Autonomous County, south China's Guangxi Zhuang Autonomous Region. (Xinhua/Huang Xiaobang)