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.
Shuangfeng County, which belongs to Loudi City, Hunan Province, was founded in 1951, named after the relative towering of two peaks in the county. Shuangfeng County is bordered by Xiangtan County and Hengshan County to the east, Hengyang County to the south, Shaodong County and Lianyuan City to the west, Loudi City and Xiangxiang City to the north. It is 61 kilometers wide from east to west and 59.2 kilometers from north to south. It covers an area of 1715.14 square kilometers, accounting for 0.81% of the total area of the province. The total population is 958000 (2015). Shuangfeng County has jurisdiction over 13 towns and 3 townships. The county government is based in Yongfeng town. Shuangfeng County is a mid-subtropical monsoon climate, the terrain is high in the west and low in the east, with hills and plains alternating. In 2015, Shuangfeng County achieved a GDP of 19.946 billion yuan. Places of interest include Huangchao Mountain, Xianshanzhai, Yongfeng Bridge, Zeng Guofan's former residence, Cai Hesen Memorial Hall and so on. Bimodal history