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.
Yongshun County, the escrow County of Xiangxi Tujia and Miao Autonomous Prefecture in Hunan Province, is located in the north of the Autonomous Prefecture, with a total area of 3810.6325 square kilometers and 30 townships and 327 administrative villages. In 2016, Yongshun County had a total population of 538200 and a resident population of 448500. If it is included in the scope of the large-scale development of the western region, you can enjoy the preferential policies of the state, provinces and prefectures on regional autonomy for ethnic minorities, the development of the western region, and so on. In 2015, Yongshun County township division adjustment, under the jurisdiction of 11 townships and 12 towns. Yongshun County is located in the middle of the Wuling Mountains in the combination zone of the central and western regions. The landforms in the territory are mainly mountains and hills, with the highest elevation of 1437.9 meters and the lowest elevation of 162.6 meters. Belongs to the subtropical monsoon humid climate, the heat is abundant, the rainfall is abundant, the annual average temperature is 16. 5%.