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.
Zhenjiang, a prefecture-level city under the jurisdiction of Jiangsu Province, is an important port and scenic tourist city in the Yangtze River Delta, with a geomorphological trend of high in the west and low in the east, high in the south and low in the north, belonging to the north subtropical monsoon climate, with a total area of 3847 square kilometers. it has jurisdiction over 3 districts and 3 county-level cities; the resident population is 3.1964 million in 2018. Zhenjiang changed its name many times: it was called "Zhu Fang" in the Spring and Autumn period, "Guyang" in the warring States period, "Dantu" in the Qin Dynasty, "Jingkou" in the three Kingdoms, "South Xuzhou" in the Southern Dynasty and Song Dynasty, and "Runzhou" after the unification of the Sui Dynasty. The name of Zhenjiang has been changed since the Northern Song Dynasty. Zhenjiang is located in the southeast coast of China, southern Jiangsu, the center of the north wing of the Yangtze River Delta, the only confluence hub of the Yangtze River and the Beijing-Hangzhou Grand Canal; Changzhou and Wuxi to the south, Yangzhou to the north and Nanjing to the west; it is an important traffic center in East China. Within the territory