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.
Huanggang, a prefecture-level city in Hubei Province, is located in eastern Hubei Province, the southern foot of the Dabie Mountains, the north bank of the middle reaches of the Yangtze River, and the middle section of the Beijing-Kowloon Railway; it gradually tilts from north to south, and the northeast is bordered by the Dabie Mountains at the junction of Henan and Anhui; it has jurisdiction over seven counties, two cities and one district; the total area is 17453 square kilometers; the total population of the city in 2018 is 7.5 million. Huanggang has a long history and culture, with a history of more than 2000 years, which has given birth to a large number of scientific and cultural giants, such as Daoxin, Hongrong and Huineng, the four ancestors of Chinese Zen Buddhism, Bi Sheng, the inventor of movable type printing in the Song Dynasty, Li Shizhen, the medical saint of the Ming Dynasty, Li Siguang, the giant of modern geological science, Wen Yiduo, the patriotic poet scholar, Huang Kan, the philosopher Xiong Shili, and the literary critic Hu Feng. In addition, there are State President Li Xiannian, acting Chairman Dong Biwu and other political figures. Yellow