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.
Suzhou, a prefecture-level city in Anhui Province, is located in the north of Anhui Province, bordering Anhui, Jiangsu, Shandong and Henan provinces, bordering the coast, bordering Suqian City and Xuzhou City in Jiangsu Province in the east and Bengbu City in the south. It is adjacent to Huaibei City, Shangqiu City in Henan Province and Heze City in Shandong Province in the west and northwest. The total area is 9787 square kilometers. Suzhou has Xiaoshankou site and Gutai Temple site. Qiyi was built during the Zhou Dynasty. During the Sui and Tang dynasties, due to the opening of the Tongji Canal (Bian River) section of the Beijing-Hangzhou Grand Canal, Suzhou is an important birthplace of Chu-Han culture and Huaihe culture. Suzhou, known as Yundu, has the largest cloud computing data center in eastern China. It is the rendering base of CG animation cluster and one of the five major quantum communication node cities in China. Suzhou is a civilized city of Anhui Province, a national garden city and a national intelligent city.