Farmers pick roses at an ecological rose garden in Fucheng County, north China's Hebei Province, May 21, 2019. A mode of rose planting industry combining cooperatives, planting bases and farmers has boosted local farmers' income recent years. (Xinhua/Li Xiaoguo)

A staff member shows rose tea at an ecological rose garden in Fucheng County, north China's Hebei Province, May 21, 2019. A mode of rose planting industry combining cooperatives, planting bases and farmers has boosted local farmers' income recent years. (Xinhua/Li Xiaoguo)

Aerial photo shows farmers picking roses at an ecological rose garden in Fucheng County, north China's Hebei Province, May 21, 2019. A mode of rose planting industry combining cooperatives, planting bases and farmers has boosted local farmers' income recent years. (Xinhua/Li Xiaoguo)

A staff member dries rose corollas at an ecological rose garden in Fucheng County, north China's Hebei Province, May 21, 2019. A mode of rose planting industry combining cooperatives, planting bases and farmers has boosted local farmers' income recent years. (Xinhua/Li Xiaoguo)