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.
Danling County, which belongs to Meishan City, Sichuan Province, is located on the southwest edge of Chengdu Plain in Sichuan Basin, in Chengdu Economic Zone and Chengdu-Chongqing Economic Zone. Danling County covers an area of 448.94 square kilometers in 2011, with a total population of 163000, and has jurisdiction over 5 towns and 2 townships. The four seasons are mild, with a monsoon climate in the subtropical humid zone, with an annual average temperature of 17.0 ℃ and a forest coverage of 46.2%. It is known as "the hometown of Chinese folk art (suona)". In 2013, GDP in Danling County reached 4.09 billion yuan, an increase of 10.4% over the same period in 2012. The fiscal revenue was 223 million yuan, an increase of 31.2% over the same period in 2012. The per capita net income of farmers was 9519 yuan, an increase of 14.2% over the same period in 2012. On October 22, 2018, Danling County was selected for 2018.