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.
Liangshan Yi Autonomous Prefecture is one of the three autonomous prefectures in Sichuan Province and Xichang, the capital. Located in the southwest of Sichuan Province, Dadu River borders Ya'an City and Ganzi Prefecture in the north, Jinsha River faces Yunnan Province in the south, Zhaotong City in Yunnan Province and Yibin City and Leshan City in Sichuan Province in the east, Ganzi Prefecture in the west; the terrain is high in the northwest, low in the southeast, high in the north and low in the south; the climate belongs to the subtropical monsoon climate zone. The city covers an area of 60400 square kilometers and has jurisdiction over 1 county-level city, 15 counties and 1 autonomous county, with a registered population of 5.2129 million in 2017. Liangshan has been an important passageway to Yunnan and Southeast Asia since ancient times and the important town of the "Southern Silk Road". It is located in the heart of the "Greater Shangri-La Tourism Ring". There are 27 A-class scenic spots, including 9 4A-class scenic spots. Qionghai-Lushan, Luoji Mountain and Luoji Mountain