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.
Lanxi City, located in the central and western part of Zhejiang Province, is located in the middle reaches of Qiantang River and the northern margin of Jinqu Basin. The geographical coordinates are 29 °1 & # 39 ~ (th) north latitude, 29 °27 ~ # 39 ~ (th) ~ (th), and 119 °13 ~ # 39 ~ (th), east longitude, and 119 °53 ~ # 39 ~ (th) ~ (th), 50 ~ (th) quot. It is 67.5km long from east to west and 38.5km wide from north to south, 20.5km from Jinhua and 132km from Hangzhou, covering a total area of 1313 square kilometers. at the end of 2018, the total registered population was 660500. Guang Xu's "Lanxi County Chronicles" is clearly stated at the beginning: "although the city is small, it should be four Chong." Occupy the upper reaches of Hangzhou Yan, the key to the main road, cover ou Kuo in the south and defend Huizhou in the north. If the staff side is appointed, it is said to be the important area of eastern Zhejiang.