Aerial photo taken on June 21, 2019 shows villagers working in the rice field in Jiefang Village of Hongshui Town in Qianxi County of Bijie City, southwest China's Guizhou Province. Qianxi County guided farmers to raise fish, frog and shrimp in the rice field to improve the quality of rice and boost the income of farmers. (Xinhua/Shi Kaixin)