San Diego (/ˌsæn diˈeɪɡoʊ/ SAN dee-AY-goh, Spanish: [san ˈdjeɣo]; Spanish for 'Saint Didacus') is a city on the Pacific Ocean coast of Southern California located immediately adjacent to the Mexico–United States border. With a 2020 population of 1,386,932, it is the eighth most populous city in the United States and the seat of San Diego County, the fifth most populous county in the United States, with 3,338,330 estimated residents as of 2019. The city is known for its mild year-round climate, natural deep-water harbor, extensive beaches and parks, long association with the United States Navy, and recent emergence as a healthcare and biotechnology development center. San Diego is the second largest city in the state of California, after Los Angeles.
Anshun is a prefecture-level city in Guizhou province. Located in the central and western part of Guizhou Province, 90 kilometers away from Guiyang, the capital of Guizhou Province. Located in the watershed of the Wujiang River Basin of the Yangtze River system and the Beipanjiang River Basin of the Pearl River system, it is a typical concentrated area of karst landforms in the world. Anshun is known as "the hometown of Chinese Waterfall", "hometown of Tunpu Culture", "hometown of Batik" and "Show of the West". It is an excellent tourist city in China, an open city for Class A tourism in China, and the only one in the country to "deepen reform, promote the symbiosis and prosperity of various economic sectors, and accelerate development". Reform pilot area, civil aviation industry national high-tech industrial base, Guizhou provincial historical and cultural city It is the "special economic zone for speeding up the development of Guizhou". In 2009, it is the top ten leisure cities with Chinese characteristics, the preferred area for karst scenery tourism in the world, and the six golden tourism in the country.