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.
Lingbao City is located in the western part of Henan Province at the junction of Henan, Qin and Jin provinces, with Qinling Mountains in the south and the Yellow River in the north. It has jurisdiction over 10 towns, 5 townships and 440 administrative villages, with a total area of 3011 square kilometers and a resident population of 735100 (2017), including 847000 mu of arable land and 110000 non-agricultural population. It is known as "the city of gold", "the hometown of apples", "the source of Taoism" and "tourist attractions". Lingbao City, located in the middle reaches of the Yellow River, is one of the earliest activities and birthplaces of human beings. And located in the ancient Chang'an, Luoyang between the two ancient capitals, ancient tombs, ancient sites are rich. After liberation, more than 20,000 precious cultural relics have been unearthed one after another, and nearly 100 of them are rare in the country. In December 2017, he was selected as one of China's top 100 industrial counties (cities). October 2018, selected 2