As a comprehensive large-scale garden project, the previous Garden Expo has a large scale and high investment. The application and display of new garden materials are extensive and novel. A large number of new garden materials are used in the design and construction, such as: plain concrete, PC bricks, exposed aggregate permeable concrete, glass bricks, weathering steel plates, slates, gabion retaining walls, bamboo materials, glass mirrors, fiberglass and other materials, providing a display and reference for the innovative use of garden design materials. The following focuses on introducing a new type of garden material - PC bricks.