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.
Yilong County, which belongs to Nanchong City, Sichuan Province, is located in the northeast of Nanchong City, Sichuan Province. Nanchong County, 244 National Highway, 245 National Highway, 205 Provincial Highway, 206 Provincial Highway, 207 Provincial Highway, 304 Provincial Highway, Chengba Expressway and Ba-Guang-Yu Expressway run through or transit through Yilong County. Yilong County has undulating mountains, vertical and horizontal gullies, complex terrain, mild climate, four distinct seasons, sufficient heat, abundant rainfall, rain and heat in the same season, with a total area of 1791 square kilometers, including 29 towns, 7 townships and 1 street. Yilong County is an agricultural county based on planting and breeding industry, and it is the first county in the rabbit industry in the country, a key county in modern animal husbandry in the province, a key county in the construction of high-standard grain fields in the province, a demonstration county in agricultural technology popularization and fertilization in the country, and a demonstration county in soil testing and formula fertilization. It is rich in wheat, rape, rice, red potato, citrus and so on.