
A farmer pollinates dragon fruit at a dragon fruit planting base in Luanzhou, north China's Hebei Province, Sept. 12, 2020. (Xinhua/Yang Shiyao)

A farmer pollinates at a dragon fruit planting base in Luanzhou, north China's Hebei Province, Sept. 12, 2020. (Xinhua/Yang Shiyao)

A farmer pollinates dragon fruit at a dragon fruit planting base in Luanzhou, north China's Hebei Province, Sept. 12, 2020. (Xinhua/Yang Shiyao)

A farmer pollinates dragon fruit at a dragon fruit planting base in Luanzhou, north China's Hebei Province, Sept. 12, 2020. (Xinhua/Yang Shiyao)