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.
Lingshi County, located in the middle of Shanxi Province and at the southern end of Jinzhong Basin, is known as "the main road of Qin and Jin dynasties and the thoroughfare of Sichuan and Shaanxi". It is 150 kilometers away from the provincial capital Taiyuan, facing Jiexiu to the north, Huozhou to the south, Qinyuan to the east, Jiaokou and Xiaoyi to the west, and it is known as "the Emperor of Yanji and the Classic of Qin and Shu". The county covers a total area of 1206 square kilometers, with a width of 53.5km from east to west and 39km from north to south. With a total population of 267000 (2013), it has jurisdiction over 6 towns, 6 townships, 3 communities, 291 administrative villages and 13 neighborhood committees. The territory of ups and downs, ravines vertical and horizontal, Dayun highway, South Tongpu railway along the Fenhe parallel. Lingshi is also an important energy and chemical industry base in Shanxi Province, and one of the most attractive cities with investment potential and characteristics in China. In March 2019, it was listed as the first batch of revolutionary cultural relics protection and utilization districts and counties.