Core Viewpoint - The development of the "sunset economy" in Haikou, Hainan, transforms natural beauty into an economic resource, enhancing cultural and emotional experiences for consumers [1][2][3] Group 1: Economic Development - The "sunset economy" leverages the emotional value associated with sunset viewing, tapping into consumer desires for relaxation and aesthetic experiences [1][2] - New business models and experiences have emerged, such as "sunset music concerts" and "sunset markets," which enhance the tourism experience and create a consumption chain [2] - The integration of technology in tourism, particularly through the introduction of sunset forecasts, has improved the planning and experience of sunset viewing [1] Group 2: Environmental and Urban Planning - Continuous ecological improvements in Haikou have resulted in a cleaner environment, providing a pristine backdrop for sunset views [2] - The optimization of waterfront spaces and the development of cultural landmarks, like the Cloud Cave Library, have created ideal viewing spots along the coastline [2] - The establishment of a "sunset corridor" along the coastline encourages longer visitor stays and enriches commercial offerings [2] Group 3: Cultural Significance - The sunset is not only a natural phenomenon but has become a cultural symbol, representing a blend of ecological and economic values [3] - The transformation of fleeting beauty into lasting economic benefits exemplifies the potential for cultural tourism to drive local economies [3]