Aerial photo taken on May 20, 2020 shows nurseries in Wancheng District of Nanyang City, central China's Henan Province. Local authorities have been promoting characteristic nursery industry in recent years to facilitate the increase of farmers' incomes. Photo:Xinhua

Villagers work at a nursery in Wancheng District of Nanyang City, central China's Henan Province, May 20, 2020. Local authorities have been promoting characteristic nursery industry in recent years to facilitate the increase of farmers' incomes. Photo:Xinhua

Aerial photo taken on May 20, 2020 shows people walking among a nursery in Wancheng District of Nanyang City, central China's Henan Province. Local authorities have been promoting characteristic nursery industry in recent years to facilitate the increase of farmers' incomes.Photo:Xinhua

A villager works at a nursery in Wancheng District of Nanyang City, central China's Henan Province, May 20, 2020. Local authorities have been promoting characteristic nursery industry in recent years to facilitate the increase of farmers' incomes. Photo:Xinhua