Aerial photo taken on Oct. 21, 2020 shows a harvester reaping rice crops in Pizhuang Township of Taierzhuang District of Zaozhuang City, east China's Shandong Province.Photo:Xinhua

A harvester reaps rice crops in Pizhuang Township of Taierzhuang District of Zaozhuang City, east China's Shandong Province, Oct. 21, 2020.Photo:Xinhua

Aerial photo taken on Oct. 21, 2020 shows a harvester reaping rice crops in Pizhuang Township of Taierzhuang District of Zaozhuang City, east China's Shandong Province.Photo:Xinhua

A farmer harvests rice crops in Pizhuang Township of Taierzhuang District of Zaozhuang City, east China's Shandong Province, Oct. 21, 2020.Photo:Xinhua

Aerial photo taken on Oct. 21, 2020 shows a harvester reaping rice crops in Pizhuang Township of Taierzhuang District of Zaozhuang City, east China's Shandong Province.Photo:Xinhua

Aerial photo taken on Oct. 21, 2020 shows a harvester reaping rice crops in Pizhuang Township of Taierzhuang District of Zaozhuang City, east China's Shandong Province.Photo:Xinhua

Aerial photo taken on Oct. 21, 2020 shows a harvester reaping rice crops in Pizhuang Township of Taierzhuang District of Zaozhuang City, east China's Shandong Province.Photo:Xinhua