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.
Xingyi, the third largest city in Guizhou Province, is the prefecture-level administrative capital of Buyi and Miao Autonomous Prefecture in southwestern Guizhou. Located in the southwest of Guizhou Province, it is located in the center of the junction of Guizhou, Yunnan and Guangxi provinces. The area covers an area of 2915 square kilometers with a total population of 900000 (2018). Nanpanjiang River, which runs through the city, is the commercial distribution center and thoroughfare fortress in the areas adjacent to the three provinces. It is the political, economic, cultural and information center of Buyi and Miao Autonomous Prefecture in southwestern Guizhou. Xingyi City has beautiful mountains and rivers, pleasant climate and profound cultural heritage. The famous Bishan Academy was established during the reign of Emperor Qianlong in the Qing Dynasty. Xingyi outstanding people, the emergence of Zhang Zhidong, Wang Boqun, Wang Wenhua, he Yingqin, Liu Xianshi and other figures. Xingyi has successively won the excellent tourist city in China,