Los Angeles (US: /lɔːs ˈændʒələs/ (listen) lawss AN-jəl-əs;[a] Spanish: Los Ángeles [los ˈaŋxeles], lit. 'The Angels'), often referred to by its initials L.A., is the largest city in the state of California and the second most populous city in the United States after New York City, as well as one of the world's most populous megacities. Los Angeles is the commercial, financial, and cultural center of Southern California. With a population of roughly 3.9 million residents within the city limits as of 2020, Los Angeles is known for its Mediterranean climate, ethnic and cultural diversity, being the home of the Hollywood film industry, and its sprawling metropolitan area. The city of Los Angeles lies in a basin in Southern California adjacent to the Pacific Ocean in the west and extending through the Santa Monica Mountains and north into the San Fernando Valley, with the city bordering the San Gabriel Valley to its east. It covers about 469 square miles (1,210 km2), and is the county seat of Los Angeles County, which is the most populous county in the United States with an estimated 9.86 million residents as of 2022.
Youxian, a county under the jurisdiction of Zhuzhou City, Hunan Province, is located in the southeast of Hunan Province, at the western end of Wugong Mountain in the middle of Luoxiao Mountains. It is bordered by Pingxiang City and Lianhua County in Jiangxi Province in the east, Dengkou District and Hengdong County in Zhuzhou City in the west, Chaling County and Anren County in the south, and Liling City in the north. Youxian has convenient transportation, and the main railways in the territory are Ji Heng Railway, Cha Cha Railway, etc., known as "the path of Heng, the gate of the pool". Youxian ranks among the top 500 counties and cities with the new urbanization quality of small and medium-sized cities in 2013, ranking 217th on the list. In October 2017, it was named as the National Garden County by the Ministry of Housing and Construction. On March 6, 2019, the propaganda Department of the CPC Central Committee, the Ministry of Finance, the Ministry of Culture and Tourism, and the State Administration of Cultural relics announced the names of the districts and counties of the revolutionary cultural relics protection and utilization area.