A farmer picks flowers in a greenhouse in Xintun Village of Tancheng County in Linyi City, east China's Shandong Province, Dec. 8, 2018. (Xinhua/Zhang Chunlei)
A farmer picks flowers in a greenhouse in Xintun Village of Tancheng County in Linyi City, east China's Shandong Province, Dec. 8, 2018. (Xinhua/Zhang Chunlei)
A farmer picks flowers in a greenhouse in Xintun Village of Tancheng County in Linyi City, east China's Shandong Province, Dec. 8, 2018. (Xinhua/Zhang Chunlei)
Farmers arrange seedlings of a medical herb in a greenhouse of a traditional Chinese medicine company in Xingren Township of Danzhai County, Qiandongnan Miao and Dong Autonomous Prefecture, southwest China's Guizhou Province, Dec. 8, 2018. (Xinhua/Huang Xiaohai)
A technician checks the condition of seedlings of a medical herb in a greenhouse of a traditional Chinese medicine company in Xingren Township of Danzhai County, Qiandongnan Miao and Dong Autonomous Prefecture, southwest China's Guizhou Province, Dec. 8, 2018. (Xinhua/Huang Xiaohai)
A technician cleans seedlings of a medical herb in a greenhouse of a traditional Chinese medicine company in Xingren Township of Danzhai County, Qiandongnan Miao and Dong Autonomous Prefecture, southwest China's Guizhou Province, Dec. 8, 2018. (Xinhua/Huang Xiaohai)