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.
Shunqing District, Nanchong City, Sichuan Province, is located in the northeast of Sichuan Province, Zishunqingfu in the Southern Song Dynasty, Nanchong prefecture was changed to the city in 1993, and the county-level district was set up as Shunqing District in 2018. Shunqing District covers an area of 555.5 square kilometers, of which the built area of Shizhong District is 73 square kilometers. Shunqing District has jurisdiction over 7 townships and 12 urban subdistrict offices, with a total household registration population of 640000 and a permanent resident population of 855000. Shunqing District is located in the hilly area of northeastern Sichuan, with a subtropical humid climate, four distinct seasons, mild climate and abundant rainfall, passing through the Jialing River, an inland river in China. Shunqing is a trade center in northeast Sichuan and an old industrial base in northeast Sichuan. There are two industrial parks in Huanhua and Mianxi, covering an area of 15 square kilometers. There are moving (moving) big (forest) line modern agricultural park, moving green.