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.
Renhuai is located in the northwest of Guizhou Province, belonging to Zunyi City, Guizhou Province, the middle reaches of the Chishui River, the north side of the western section of the Dalou Mountains, and the back of Zunyi, which is a typical mountain area of the transition from the Yunnan-Guizhou Plateau to the Sichuan Basin. It is the connecting point between the economic zone of northern Guizhou and the economic zone of southern Sichuan. It is the place where the Red Army fought in the long March "four crossing Chishui". It is the hometown of Maotai Liquor. In July 2004, it was officially recognized as the "wine capital of China". The city covers an area of 1788 square kilometers and has jurisdiction over 14 towns, 1 township, 5 subdistrict offices, 149 village committees and 22 community neighborhood committees. It is inhabited by 9 ethnic groups, including Han, Miao, Buyi, Gelo, Yi and Bai, with a total population of 640000. The existing cultivated land is 27713.3 hectares, including 9921 hectares of farmland and 17792.2 hectares of soil. A mountain with few territories and many people