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.
Taizhou (Taizhou), referred to as "Tai" for short, is a prefecture-level city in Jiangsu Province, located in the middle of Jiangsu Province. It is bordered by the Yangtze River in the south, Yancheng in the north, Nantong in the east and Yangzhou in the west. The total area of the city is 5787.26 square kilometers, of which the land area accounts for 77.85% and the water area accounts for 22.15%. The urban area is 1567.13 square kilometers. Taizhou Qin said Haiyang, Han said Hailing, the state built the Southern Tang Dynasty, Wenchang Northern Song Dynasty. In the Southern Tang Dynasty (AD 937), it was ruled by the state, which means "the country is prosperous and the people are peaceful", and began to be named Taizhou. Taizhou has a collection of talents and a large number of famous and sages, "the prosperity of the Confucian style, the plain crown of Huainan". Wang Gen, Liu Xizai, Shi Nai'an, Zheng Banqiao and Mei Lanfang are outstanding representatives in the history of Taizhou culture and art. Taizhou is the important water and land of Chengnan and Qibei, and it is the gateway to central Jiangsu. There has been "water" since ancient times.