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.
Yushu Tibetan Autonomous Prefecture, under the jurisdiction of Qinghai Province, which means "ruins" in Tibetan, is the first ethnic minority autonomous prefecture established in Qinghai Province and the second in China; the terrain is high in the north and south, low in the middle, and low in the west and east; it is a typical cold climate. The state has a total area of 267000 square kilometers and has jurisdiction over 1 city and 5 counties with a total population of 409500 in 2017. There are unique plateau natural scenery and folk customs in Yushu Tibetan Autonomous Prefecture, including Yushu song and dance, Tibetan costumes and peculiar customs and customs, Princess Wencheng Temple and Buddhist temples of many sects. There are statues of Zongkhapa Buddha in the Shidui and Gangcha Temple in Xinzhaijia, and three national nature reserves, namely, Sanjiangyuan, Longbaotan and Hoh Xili. The state has more than 40 scenic spots and scenic spots for sightseeing. The Folk Customs of Yushu