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.
Yangzhong, under the jurisdiction of county-level cities in Jiangsu Province, is hosted by Zhenjiang City. Located in the middle of the river in the east of Zhenjiang City, the golden waterway-the middle and lower reaches of the Yangtze River, and in the demonstration area of modernization in southern Jiangsu, it is a member of the county-level cities in Nanjing metropolitan area, "facing Yangzhou and Taizhou in the north and separated by water in Zhenjiang and Changzhou in the south. The city is composed of Taiping Island, Central Sha Island, Xisha Island and Leigong Island, with a total area of 331 square kilometers, of which the land area is 243 square kilometers. The deepwater coastline along the Yangtze River is 62.7 kilometers. It has jurisdiction over 4 towns, 2 streets, Yangzhong Economic Development Zone and Yangzhong High-tech Zone, with a total population of 340000, which plays an important role in the overall development of Zhenjiang. Yangzhong industry has distinctive characteristics, is the well-known "electric island" and "photovoltaic island", and the "Yangtze River Manufacturing Corridor" in which the electrical field is the largest in China.