People visit the Kunming Dounan Flower Market in southwest China's Yunnan Province, Jan. 31, 2023. Standing as China's largest fresh cut flower market in terms of both trade volume and export value, Dounan has become the largest fresh cut flower trading market in Asia. (Xinhua/Chen Xinbo)

A merchant works at the Kunming Dounan Flower Market in southwest China's Yunnan Province, Jan. 31, 2023. Standing as China's largest fresh cut flower market in terms of both trade volume and export value, Dounan has become the largest fresh cut flower trading market in Asia. (Xinhua/Chen Xinbo)

Workers transfer trolleys of flowers at the Kunming International Flora Auction Trading Center in Dounan, southwest China's Yunnan Province, Jan. 31, 2023. Standing as China's largest fresh cut flower market in terms of both trade volume and export value, Dounan has become the largest fresh cut flower trading market in Asia. (Xinhua/Chen Xinbo)

Workers transfer trolleys of flowers at the Kunming International Flora Auction Trading Center in Dounan, southwest China's Yunnan Province, Jan. 31, 2023. Standing as China's largest fresh cut flower market in terms of both trade volume and export value, Dounan has become the largest fresh cut flower trading market in Asia. (Xinhua/Chen Xinbo)

People visit the Kunming Dounan Flower Market in southwest China's Yunnan Province, Jan. 31, 2023. Standing as China's largest fresh cut flower market in terms of both trade volume and export value, Dounan has become the largest fresh cut flower trading market in Asia. (Xinhua/Chen Xinbo)

Workers pack flowers at the Kunming Dounan Flower Market in southwest China's Yunnan Province, Jan. 31, 2023. Standing as China's largest fresh cut flower market in terms of both trade volume and export value, Dounan has become the largest fresh cut flower trading market in Asia. (Xinhua/Chen Xinbo)

A merchant works at the Kunming Dounan Flower Market in southwest China's Yunnan Province, Jan. 31, 2023. Standing as China's largest fresh cut flower market in terms of both trade volume and export value, Dounan has become the largest fresh cut flower trading market in Asia. (Xinhua/Chen Xinbo)

People visit the Kunming Dounan Flower Market in southwest China's Yunnan Province, Jan. 31, 2023. Standing as China's largest fresh cut flower market in terms of both trade volume and export value, Dounan has become the largest fresh cut flower trading market in Asia. (Xinhua/Chen Xinbo)

A worker transfers flowers at the Kunming Dounan Flower Market in southwest China's Yunnan Province, Jan. 31, 2023. Standing as China's largest fresh cut flower market in terms of both trade volume and export value, Dounan has become the largest fresh cut flower trading market in Asia. (Xinhua/Chen Xinbo)

A customer selects flowers at the Kunming Dounan Flower Market in southwest China's Yunnan Province, Jan. 31, 2023. Standing as China's largest fresh cut flower market in terms of both trade volume and export value, Dounan has become the largest fresh cut flower trading market in Asia. (Xinhua/Chen Xinbo)