Only the peony is the national color. When the flowers bloom, the city enters the end of April. The temperature in Beijing is higher every day, and it is a good time for the peony to bloom. Beijing is a good place to enjoy peony flowers, the first round of Yuanmingyuan. is one of the forty scenic spots of Yuanmingyuan. It is located in the southeast corner of Houhu Lake. It is a garden in which the peony is the main garden. Kaiyue Kaiyun was built in the last years of Emperor Kangxi. At the beginning, it was named "Peony Taiwan". During Qianlong, it was renamed "Yueyue Kaiyun". Although the building at that time no longer exists, in late April, peony can still be seen here. In addition to the three moons, the love of the moon, the cloud is also a great place to go. Qilong Emperor once regarded Changchun Garden as the home for the elderly, and the Hall of the Han Dynasty is located in the center of Changchun Garden. It is surrounded by landscapes and flowers and is the largest landscape architecture in Changchun Park. Nearly 100 kinds of peony cultivated in Yuanmingyuan, the more expensive ones are Wei Zi, Yao Huang, Bean Green, Zhao Powder, Hua Er Qiao, He Hua Kui and so on. In addition to Luoyang, there are Heze. Recommended in the Yuanmingyuan Garden: Kaiyun, Yunjing, and Algae.