Haikou International Duty-free City: The total construction area of the Haikou International Duty-free City is approximately 283,000 square meters, making it the largest individual duty free shopping complex in the world. The custom-designed AURA Sky Secret Forest themed atrium features a diverse array of sculpture components, with abundant and varied forms. These components are prefabricated using 3D printing technology and assembled on-site to ensure efficient and high-quality installations.