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.
Feicheng, a county-level city under the jurisdiction of Shandong Province, is hosted by Taian City, located in the middle of Shandong Province and at the western foot of Mount Tai, bordering Daiyue District of Taian City in the east and Dongping County of Taian City and Pingyin County of Jinan City in the west. Ningyang County of Taian City and Wenshang County of Jining City are across the river in the south, and Changqing District of Jinan City is bounded by mountains in the north; the total area is 1277 square kilometers. In the Western Zhou Dynasty, the Fei people scattered here, which was called Feizi Kingdom in ancient times, hence the name of Feicheng. Feicheng County, which was set up in the early Western Han Dynasty, has a history of more than 2200 years. It is the hometown of Zuo Qiuming, the "sage of history" and the place where Fan Li, the "saint of merchants", lives in seclusion. He is known as "the city of a gentleman". There are various types of landforms in Feicheng City. The terrain tilts from northeast to southwest. The highest point is 600 meters above sea level and the lowest is 57.7 meters above sea level. Feicheng is a warm continental monsoon climate zone with four distinct seasons.