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.
Wangcang County, which belongs to Guangyuan City, Sichuan Province, is located on the northern edge of Sichuan Basin, at the southern foot of Micang Mountain, Nanjiang County, Bazhong City in the east, Chaotian District, Lizhou District and Zhaohua District in the west, Cangxi County in the south, and Nanzheng County and Ningqiang County in Shaanxi Province in the north. The county covers an area of 2987 square kilometers and has jurisdiction over 18 towns, 17 townships and 3 street offices. In 2012, the total population was 458200, living in Han, Qiang, Yi, Tibetan, Hui, Miao, Dong and other ethnic groups. The topography of the territory is high in the north and low in the south, and the abdomen is low and flat. The landform is dominated by northern peaks, towering Chongshan in the south, hills and dams in the abdomen, and streams and rivers crisscross. Belongs to the subtropical humid monsoon climate. The average annual temperature is 16.5 ℃ and the annual precipitation is 920.9 mm. Guangwang Railway and National Highway 542 run from east to west. The venue of the wooden door meeting of the fourth Red Front Army,