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.
Jincheng, known as Jianxing, Zezhou and Zezhou in ancient times, is a prefecture-level city under the jurisdiction of Shanxi Province. it is located in the southeast of Shanxi Province, where Shanxi and Henan provinces meet each other. Jincheng Basin, with a total area of 9490 square kilometers, has been a battleground since ancient times. known as "Hedong Pinghan, Central Plains throat, Sanjin Portal" reputation. Jincheng is one of the birthplaces of Chinese culture. Twenty thousand years ago, it left human sites such as Gaodu site, Tashui River, Xiachuan and so on. It is the birthplace of myths such as Nu Gong mending the sky, Yugong moving Dashan, Yu chiseling stone gate, Shang Tang preparing rain, etc., eminent monk Huiyuan, famous general Chen tortoise, famous doctor Wang Shuhe, astronomer Liu Xisao, Li Junmin, Hao Jing, Jing Hao, Jia Lu,.