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.
Yuanyang County is one of the counties under the jurisdiction of Honghe Prefecture, Yunnan Province, the county is located in the south of Yunnan Province, across 74 kilometers from east to west, 55 kilometers from north to south, covering an area of 2189.88 square kilometers. The land in Yuanyang County is all mountainous, there is no Pingchuan, the lowest elevation is 144m, the highest elevation is 2939.6 m, the relative height difference is 2795.6 m, the annual average temperature is 24.4 ℃, the highest annual rainfall is 1189.1 mm, the lowest is 665.7 mm, and the average is 899.5 mm. Yuanyang County is one of the important producing areas of tropical fruits, Yunwu Tea and gold in Yunnan. As of 2017, Yuanyang County has jurisdiction over 3 towns, 11 townships, 134 village committees and 4 community neighborhood committees. At the end of 2010, Yuanyang County had a total population of 424284, including Hani, Yi, Han,