Zhao Guozhong marks a cotton plant in the field at Nanfan breeding base in Sanya, south China's Hainan Province, Feb. 28, 2021. Zhao Guozhong, who has spent 43 Spring Festivals at Nanfan breeding base as an expert on cotton breeding, started every morning of his days in Sanya by dashing to the field to pollinate cotton plants and to observe their growth under the scorching sun.Photo:Xinhua
Zhao Guozhong checks cotton seeds in a warehouse at Nanfan breeding base in Sanya, south China's Hainan Province, Feb. 28, 2021. Zhao Guozhong, who has spent 43 Spring Festivals at Nanfan breeding base as an expert on cotton breeding, started every morning of his days in Sanya by dashing to the field to pollinate cotton plants and to observe their growth under the scorching sun.Photo:Xinhua
Zhao Guozhong walks through cotton plants in the field at Nanfan breeding base in Sanya, south China's Hainan Province, Feb. 28, 2021. Zhao Guozhong, who has spent 43 Spring Festivals at Nanfan breeding base as an expert on cotton breeding, started every morning of his days in Sanya by dashing to the field to pollinate cotton plants and to observe their growth under the scorching sun.Photo:Xinhua
Zhao Guozhong checks the growth of cotton plants in the field at Nanfan breeding base in Sanya, south China's Hainan Province, Feb. 28, 2021. Zhao Guozhong, who has spent 43 Spring Festivals at Nanfan breeding base as an expert on cotton breeding, started every morning of his days in Sanya by dashing to the field to pollinate cotton plants and to observe their growth under the scorching sun.Photo:Xinhua
Zhao Guozhong checks the growth of cotton plants in the field at Nanfan breeding base in Sanya, south China's Hainan Province, Feb. 28, 2021. Zhao Guozhong, who has spent 43 Spring Festivals at Nanfan breeding base as an expert on cotton breeding, started every morning of his days in Sanya by dashing to the field to pollinate cotton plants and to observe their growth under the scorching sun.Photo:Xinhua