Photo taken on Sept. 2, 2022 shows a number of weather monitoring devices in a paddy rice technology demonstration park in Fujin City of northeast China's Heilongjiang Province.Photo:Xinhua

Aerial photo taken on Sept. 2, 2022 shows an art creation made up of living plants of different colors in a paddy rice technology demonstration park in Fujin City of northeast China's Heilongjiang Province.Photo:Xinhua

Aerial photo taken on Sept. 2, 2022 shows an art creation made up of living plants of different colors in a paddy rice technology demonstration park in Fujin City of northeast China's Heilongjiang Province.Photo:Xinhua

Aerial photo taken on Sept. 2, 2022 shows an art creation made up of living plants of different colors in a paddy rice technology demonstration park in Fujin City of northeast China's Heilongjiang Province.Photo:Xinhua

Photo taken on Sept. 2, 2022 shows some electric devices deployed in a paddy rice technology demonstration park in Fujin City of northeast China's Heilongjiang Province.Photo:Xinhua

Photo taken on Sept. 2, 2022 shows a field with water-saving and reduced-draining technologies in a paddy rice technology demonstration park in Fujin City of northeast China's Heilongjiang Province.Photo:Xinhua

Photo taken on Sept. 2, 2022 shows a weather monitoring device in a paddy rice technology demonstration park in Fujin City of northeast China's Heilongjiang Province.Photo:Xinhua