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.
Wusu City is located in the northwest of Xinjiang Uygur Autonomous region, adjoining Karamay City, Kuitun City and Shawan County in the east, Nilke County in the south, Jinghe County in the west and Tori County in the north. The total area of the city is 14393.94 square kilometers, with a total population of 230000 (2012). There are Kazakh, Han, Uygur, Hui, Mongolian and other ethnic groups. It has jurisdiction over 5 streets, 10 towns and 7 townships (including 2 ethnic townships). Wusu was once the territory of the Heshuote tribe of Mongolia, and the Mongolian word "Kurkarawusu", which means "snow and black water", was included in the territory of the motherland as early as the Western Han Dynasty, and later troops were stationed here in the Tang, Song, Yuan, Ming and Qing dynasties. Since the early years of the Qing Dynasty, there has been a prosperous ancient post station located on the shore of Xiushui. Court officials and merchants who come and go from east to west