Introduction to Caogang Garden: Caogang Garden is located in the Yellow Zone of the World Horticultural Exhibition. The garden covers an area of 19.93 hectares. Its creativity originated from the famous pharmacological work "Compendium of Materia Medica" in the Ming Dynasty of my country. The Caogang Garden is divided into a herbal garden and a waterscape garden, with a total of 80,000 plants planted. Attractions in the exhibition garden include the Hejian Pavilion, the Green Lotus Terrace, the surrounding water lily ponds and water corridors, the moonlit lotus fragrance pavilion on the lotus pond, the lotus ponds on both sides of the wooden plank road, and the gully water features.