Photo taken on Sept. 23, 2019 shows the agricultural machinery displayed during an activity to celebrate the Chinese farmers' harvest festival in Quxu County of Lhasa, southwest China's Tibet Autonomous Region. Farmers across the country celebrate the Chinese farmers' harvest festival, which falls on the Autumn Equinox, or Sept. 23 this year. (Xinhua/Zhang Rufeng)

Actors perform during an activity to celebrate the Chinese farmers' harvest festival in Chaoyang Town of Mengjin County in Luoyang City, central China's Henan Province, Sept. 23, 2019. Farmers across the country celebrate the Chinese farmers' harvest festival, which falls on the Autumn Equinox, or Sept. 23 this year. (Xinhua/Li Jia'nan)

Actresses perform during an activity to celebrate the Chinese farmers' harvest festival in Quxu County of Lhasa, southwest China's Tibet Autonomous Region, Sept. 23, 2019. Farmers across the country celebrate the Chinese farmers' harvest festival, which falls on the Autumn Equinox, or Sept. 23 this year. (Photo by Sun Fei/Xinhua)

Actors perform during an activity to celebrate the Chinese farmers' harvest festival in Ningbo, east China's Zhejiang Province, Sept. 23, 2019. Farmers across the country celebrate the Chinese farmers' harvest festival, which falls on the Autumn Equinox, or Sept. 23 this year. (Xinhua/Huang Zongzhi)

Aerial photo taken on Sept. 23, 2019 shows an activity to celebrate the Chinese farmers' harvest festival in Quxu County of Lhasa, southwest China's Tibet Autonomous Region. Farmers across the country celebrate the Chinese farmers' harvest festival, which falls on the Autumn Equinox, or Sept. 23 this year. (Xinhua/Sun Fei)

Actors perform during an activity to celebrate the Chinese farmers' harvest festival in Quxu County of Lhasa, southwest China's Tibet Autonomous Region, Sept. 23, 2019. Farmers across the country celebrate the Chinese farmers' harvest festival, which falls on the Autumn Equinox, or Sept. 23 this year. (Photo by Sun Fei/Xinhua)

Actresses perform during an activity to celebrate the Chinese farmers' harvest festival in Chengdu, southwest China's Sichuan Province, Sept. 23, 2019. Farmers across the country celebrate the Chinese farmers' harvest festival, which falls on the Autumn Equinox, or Sept. 23 this year. (Xinhua/Liu Kun)

Children perform during an activity to celebrate the Chinese farmers' harvest festival in Ningbo, east China's Zhejiang Province, Sept. 23, 2019. Farmers across the country celebrate the Chinese farmers' harvest festival, which falls on the Autumn Equinox, or Sept. 23 this year. (Xinhua/Huang Zongzhi)

Actors and actresses perform during an activity to celebrate the Chinese farmers' harvest festival in Chengdu, southwest China's Sichuan Province, Sept. 23, 2019. Farmers across the country celebrate the Chinese farmers' harvest festival, which falls on the Autumn Equinox, or Sept. 23 this year. (Xinhua/Liu Kun)