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.
Huaping County, which belongs to Lijiang City, Yunnan Province, is located on the north bank of the middle part of the Jinsha River in the northwest of Yunnan Province, between latitude 26 °21 & #39;-26 °58 & #39;, longitude 100 °59 & #39;-101 °31 & #39;, Panzhihua City, Sichuan Province to the east, Chuxiong in central Yunnan to the south, Lijiang to the west, and Lugu Lake in Ningyi County to the north. It is an important transportation hub for western Yunnan to Sichuan, with a total area of 2200 square kilometers. Huaping County is high in the northwest and low in the southeast, with an average elevation of 1160 meters above sea level, which belongs to a typical low-heat valley climate in the southern subtropics. It is rich in mineral resources and is one of the 200 key coal-producing counties in China. It is the largest mango producing county in Yunnan Province. As of 201