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.
Wuzhong District, located in the southern city of Suzhou, Jiangsu Province, is the birthplace of Wu culture, the birthplace of Sun Tzu's Art of War, and the hometown of Xiao Xiang, the founder of the Xiangshan Gang and the designer of the Forbidden City. Wuzhong District has a land area of 742 square kilometers. As of 2011, Wuzhong District has jurisdiction over Suzhou Taihu National tourist Resort, Wuzhong Economic Development Zone, Dome Mountain Scenic Management area, 7 towns, 8 streets and 6 national 4A-level scenic spots, with a registered population of 600000. Wuzhong District occupies 1459 square kilometers of Taihu Lake, about 3000,000 square kilometers of 5 blue waves of water, more than 180km of hydrophilic coastline, Suzhou nearly 80% of the hills and mountains. The area is rich in Dongting Mountain Biluochun tea, Taihu hairy crab, loquat, bayberry and "Taihu Sanbai" and other famous agricultural and sideline products. twenty