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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.

Qianzhong, known as Baoning in ancient times, is a county-level city hosted by Nanchong City, Sichuan Province. it is located in the northeast of Sichuan Basin, in the middle reaches of Jialing River, at the southern foot of Qinba Mountain, surrounded by mountains and water in three directions. It is bordered by Bazhong City and Yilong County in the east, Nanbu County in the south, Jiange County in the west and Cangxi County in the north. For more than 2000 years, it has been an important military town for Bashu. Langzhong City covers an area of 1878 square kilometers and has jurisdiction over 5 streets, 19 towns and 4 townships, with a total population of 859192 (2016). It is a demonstration city of ecological construction in China, an excellent tourist city in China, a thousand-year-old county in the world, and the hometown of Chinese Spring Festival culture. Yuanzhong is known as "Langyuan Wonderland" and "Ba-Shu wants to rush". Du Fu, a poet of the Tang Dynasty, left a famous saying here that "the world is rare in the south of Langzhou". The territory is home to China's four most well-preserved
Travel Guides In The Ancient City of Langzhong
Travel Sights In The Ancient City of Langzhong
Travel Notes In The Ancient City of Langzhong