Yilan County is surrounded by mountains from three sides, and the climate here is gentle and moisture. It is suitable for the growth of various native orchid species. There are a lot of orchid species, and they are widely used as potted flowers to beautify the environment at home and in the office. In 1984, Yilan County Government selected cymbidium as the county flower for Yilan County. Cymbidium is fragrant and elegant, and it is one of the important topics for poets and painters on their creation. No matter it is flowering or not, it presents the image of zen style and elegance. It is unique in the world of orchid. It has high taste of art and is a famous ornamental potted plants. 2022 Green Expo Orchid Corridor focuses on the concept of sustainable art of flowers and uses the recycled materials to decorate the orchid corridor. After the exhibition is finished, the flowers will be replanted in other appropriate places to be reused. It presents the elegance and diverse gestures of Yilan County Flower as well as the beauty of flower art.