Core Viewpoint - Hainan Province is integrating to create the "Sanya Economic Circle," promoting collaborative development among five cities and counties to establish an international tourism destination and a free trade port with a focus on scientific innovation [1][2]. Group 1: Economic Development - The Sanya Economic Circle is centered around Sanya City and includes Wuzhishan City, Lingshui Li Autonomous County, Ledong Li Autonomous County, and Baoting Li and Miao Autonomous County, forming a regional economic collaborative entity [1]. - The economic circle aims to leverage advantages in tourism and tropical high-efficiency agriculture, focusing on "seven integrations" in key areas such as transportation, agriculture, tourism, ecological protection, and business environment [1][2]. Group 2: Agricultural and Tourism Initiatives - The "two cities and three counties" are addressing the challenges in tropical agricultural products by integrating branding, sharing channels, and reshaping value to transition from isolated efforts to regional collaboration [2]. - In tourism, the economic circle is enhancing visitor reception and tourism revenue through cross-city tourism mechanisms, development of unique tourism products, and joint promotion of regional brands [2]. Group 3: Public Services and Social Development - A unified framework for public service co-construction and sharing is being established, focusing on healthcare resource sharing, educational integration, and the widespread application of a social security card system across the economic circle [3]. - The Sanya Economic Circle is set to upgrade from "integration and collaboration" to "deep integration," promoting the dual development of an "international tourism destination + free trade port with a focus on scientific innovation" [3].