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.
Xuchang, a prefecture-level city under the jurisdiction of Henan Province, also known as Liancheng, is located in the central part of Henan Province, one of the core cities of the Central Plains Urban agglomeration and the Central Plains Economic Zone; the terrain is high in the northwest and low in the southeast, slowly tilting from the northwest to the southeast; it belongs to the north warm temperate monsoon climate zone, rich in heat resources; it has jurisdiction over 2 districts, 2 county-level cities and 2 counties, with a total area of 4996 square kilometers; the permanent population is 4.4374 million in 2018. Xuchang is located in the Central Plains with a long history and is an important birthplace of Chinese culture. Xuchang ancient culture tourism resources include prehistoric culture series, Han culture series, three Kingdoms culture series, temple architecture culture series, Jun porcelain culture series and so on. Xuchang has convenient transportation, 80 kilometers away from the provincial capital Zhengzhou, 50 kilometers away from Xinzheng International Airport, 311 National Highway and local railway crossing east-west; Beijing-Guangzhou Railway, Beijing