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.
Qingyuan County is located in the southwest of Zhejiang Province, longitude 118 °50, longitude 119 °30, latitude 27 °25'- 27 °51 'north. It is bordered by Longquan and Jingning she Autonomous Counties in the north and Shouning, Songxi and Zhenghe counties in Fujian Province in the east, west and south. Songyuan Town is 233 kilometers away from Lishui City and 532 kilometers away from Hangzhou. The county is 49 kilometers from north to south and 67 kilometers from east to west, with a total area of 1898 square kilometers. At the end of 2005, the total population was 198400. Main attractions: Baishanzu, volcanic rock area, glacier remains, Jinzifeng, Lanxi Bridge, Daji Jinshi Village and so on. In 2017, the gross domestic product of Qingyuan County was 6.95 billion yuan. On September 26, 2018, Qingyuan County won the title of "China Natural oxygen Bar" in 2018.