Aerial photo taken on Sept. 2, 2020 shows terraced fields in Huangcaoping Village of Luojishan Township, Puge County, Liangshan Yi Autonomous Prefecture, southwest China's Sichuan Province. (Xinhua/Wang Xi)

Aerial photo taken on Sept. 2, 2020 shows terraced fields in Huangcaoping Village of Luojishan Township, Puge County, Liangshan Yi Autonomous Prefecture, southwest China's Sichuan Province. (Xinhua/Wang Xi)

Aerial photo taken on Sept. 2, 2020 shows farmers working in the terraced fields in Huangcaoping Village of Luojishan Township, Puge County, Liangshan Yi Autonomous Prefecture, southwest China's Sichuan Province. (Xinhua/Wang Xi)

Aerial photo taken on Sept. 2, 2020 shows a farmer working in the terraced fields in Huangcaoping Village of Luojishan Township, Puge County, Liangshan Yi Autonomous Prefecture, southwest China's Sichuan Province. (Xinhua/Wang Xi)

Aerial photo taken on Sept. 2, 2020 shows terraced fields in Huangcaoping Village of Luojishan Township, Puge County, Liangshan Yi Autonomous Prefecture, southwest China's Sichuan Province. (Xinhua/Wang Xi)

Aerial photo taken on Sept. 2, 2020 shows farmers working in the terraced fields in Huangcaoping Village of Luojishan Township, Puge County, Liangshan Yi Autonomous Prefecture, southwest China's Sichuan Province. (Xinhua/Wang Xi)

Aerial photo taken on Sept. 2, 2020 shows a newly-built residential area next to terraced fields in Huangcaoping Village of Luojishan Township, Puge County, Liangshan Yi Autonomous Prefecture, southwest China's Sichuan Province. (Xinhua/Wang Xi)

Aerial photo taken on Sept. 2, 2020 shows terraced fields in Huangcaoping Village of Luojishan Township, Puge County, Liangshan Yi Autonomous Prefecture, southwest China's Sichuan Province. (Xinhua/Wang Xi)

Aerial photo taken on Sept. 2, 2020 shows terraced fields in Huangcaoping Village of Luojishan Township, Puge County, Liangshan Yi Autonomous Prefecture, southwest China's Sichuan Province. (Xinhua/Wang Xi)

Aerial photo taken on Sept. 2, 2020 shows terraced fields in Huangcaoping Village of Luojishan Township, Puge County, Liangshan Yi Autonomous Prefecture, southwest China's Sichuan Province. (Xinhua/Wang Xi)