What kind of planning does the Sichuan-Chongqing-Guizhou Golden Triangle tourist area plan belong to?

National regional development plan. The "*** Joint Proposal" proposes to strengthen the construction of collaboration mechanisms, work together to promote the Guizhou, Sichuan and Chongqing adjacent cultural tourism Golden Triangle to be included in the national regional development plan, and create an upgraded version of the alliance; connect regional resource advantages to promote the formation of beautiful tourism in the Guizhou, Sichuan and Chongqing adjacent cultural tourism Golden Triangle Ring Line to create an upgraded version of the online connection; build a smart tourism system to accelerate the construction of "smart tour guides" in tourist attractions in the cultural tourism Golden Triangle region adjacent to Guizhou, Sichuan and Chongqing, and create an upgraded version of the linkage; promote the construction of fast travel and slow travel, and improve the transportation network and The scenic spot is equipped with supporting facilities to create an upgraded version of the connection.