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.
Liaoyang County, which belongs to Liaoyang City, Liaoning Province, is one of the open counties in Liaodong Peninsula. It is located in the middle of Liaodong Peninsula, with a total area of 2511 square kilometers. It has jurisdiction over 15 townships (12 towns, 1 township and 2 nationality townships) and 199 villages with a population of 500000. Liaoyang County has a temperate continental monsoon climate, with an average annual temperature of 7.1-9.5 ℃ and an average annual precipitation of 730.6 mm. It belongs to national commercial grain base county and provincial commercial fish base county. Mineral deposits include oil, copper, iron, lead, placer gold, silica, rare earth and so on. Changchun-Dalian (Lian) railway and Shen-Da highway transit. In 2010, the GDP of Liaoyang County reached 20.52 billion yuan. The main scenic spots are Huhuogou Natural Scenic spot, Bahui Tongming Mountain Scenic spot and Xiaotun Wild Cat Cave Scenic spot.