Aerial photo taken on Sept. 21, 2020 shows the paddy rice to be harvested at a paddy rice park in Fujin City, northeast China's Heilongjiang Province. In recent days, about 40,000 Mu (about 2,667 hectares) paddy fields here have entered harvest season. (Xinhua/Zhang Tao)

Aerial photo taken on Sept. 21, 2020 shows the paddy rice to be harvested at a paddy rice park in Fujin City, northeast China's Heilongjiang Province. In recent days, about 40,000 Mu (about 2,667 hectares) paddy fields here have entered harvest season. (Xinhua/Zhang Tao)

Aerial photo taken on Sept. 21, 2020 shows the paddy rice to be harvested at a paddy rice park in Fujin City, northeast China's Heilongjiang Province. In recent days, about 40,000 Mu (about 2,667 hectares) paddy fields here have entered harvest season. (Xinhua/Zhang Tao)

Aerial photo taken on Sept. 21, 2020 shows the paddy rice to be harvested at a paddy rice park in Fujin City, northeast China's Heilongjiang Province. In recent days, about 40,000 Mu (about 2,667 hectares) paddy fields here have entered harvest season. (Xinhua/Zhang Tao)

Photo taken on Sept. 21, 2020 shows the paddy rice to be harvested at a paddy rice park in Fujin City, northeast China's Heilongjiang Province. In recent days, about 40,000 Mu (about 2,667 hectares) paddy fields here have entered harvest season. (Xinhua/Zhang Tao)

Aerial photo taken on Sept. 21, 2020 shows the paddy rice to be harvested at a paddy rice park in Fujin City, northeast China's Heilongjiang Province. In recent days, about 40,000 Mu (about 2,667 hectares) paddy fields here have entered harvest season. (Xinhua/Zhang Tao)

Aerial photo taken on Sept. 21, 2020 shows the paddy rice to be harvested at a paddy rice park in Fujin City, northeast China's Heilongjiang Province. In recent days, about 40,000 Mu (about 2,667 hectares) paddy fields here have entered harvest season. (Xinhua/Zhang Tao)

Photo taken on Sept. 21, 2020 shows the paddy rice to be harvested at a paddy rice park in Fujin City, northeast China's Heilongjiang Province. In recent days, about 40,000 Mu (about 2,667 hectares) paddy fields here have entered harvest season. (Xinhua/Zhang Tao)

Aerial photo taken on Sept. 21, 2020 shows the paddy rice to be harvested at a paddy rice park in Fujin City, northeast China's Heilongjiang Province. In recent days, about 40,000 Mu (about 2,667 hectares) paddy fields here have entered harvest season. (Xinhua/Zhang Tao)

Aerial photo taken on Sept. 21, 2020 shows the paddy rice to be harvested at a paddy rice park in Fujin City, northeast China's Heilongjiang Province. In recent days, about 40,000 Mu (about 2,667 hectares) paddy fields here have entered harvest season. (Xinhua/Zhang Tao)

Aerial photo taken on Sept. 21, 2020 shows the paddy rice to be harvested at a paddy rice park in Fujin City, northeast China's Heilongjiang Province. In recent days, about 40,000 Mu (about 2,667 hectares) paddy fields here have entered harvest season. (Xinhua/Zhang Tao)