Core Viewpoint - The signing of a tourism cooperation agreement among Changjiang Li Autonomous County, Dongfang City, and Baisha Li Autonomous County aims to enhance regional tourism collaboration and create a diversified tourism experience centered around "mountain-sea linkage" [1] Group 1: Cooperation Areas - The three regions will focus on three main areas of cooperation: tourism product development, tourism promotion, and tourism service [1] - In tourism product development, they will integrate resources from Changjiang Qizi Bay, Bawang Ridge, Dongfang Yulinzhou, and Baisha Ecological Tea Garden to jointly develop cross-regional tourism routes such as "Mountain-Sea Li Township Cultural Tour" and "Ecological Health Vacation Tour" [1] - For tourism promotion, a unified publicity mechanism will be established to showcase the tourism image of the three regions in major domestic and international markets, along with the creation of an online marketing alliance [1] - In terms of tourism service, a complaint coordination mechanism will be set up, and cross-regional training for staff will be enhanced to improve service quality and optimize the tourism environment [1] Group 2: Regional Characteristics - The tourism resources of the three regions are characterized by unique features and complementary advantages, which will be leveraged to enhance tourism quality through collaboration [1]