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.
Tai'an City, a prefecture-level city of Shandong Province, is located in the middle of Shandong Province, with the provincial capital Jinan in the north, Jining in the south, Linyi in the east and the Yellow River in the west, with a total area of 7761 square kilometers. It is 66.8 kilometers from the provincial capital Jinan to the north and 74.6 kilometers to Qufu, the holy city of three holes in the south. Taian gets its name from Mount Tai. "Mount Tai is safe all over the world", which means that the country is peaceful and the people are safe. The city is located at the foot of Mount Tai, built according to the mountain, and the mountain city is one. Mount Tai in the territory is a national key scenic spot, with the reputation of "the first of the five mountains" and "the first mountain in the world". It is a world natural and cultural heritage. Tai'an was listed as the first batch of tourist cities open to the outside world by the State Council in 1982. It is one of the central cities in central Shandong, an excellent tourist city in China, and a famous historical and cultural city in China. 2018 CCTV Spring Festival Gala venue for the year of the Dog