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.
Dushan County, which belongs to Qiannan Buyi and Miao Autonomous Prefecture of Guizhou Province, is located at the southernmost tip of Guizhou, bordering Nandan County, Guangxi. It is a necessary place for Guizhou Province and even the southwest to enter the sea mouth of Guangdong and Guangxi. Defending Guangdong and Guangdong in the east, Yunnan and Guizhou in the west, ASEAN in the south and Tianfu in the north, known as "the south gate of Guizhou" and "southwest gate", it is not only an important town in southern Guizhou, but also the opening frontier of the western region connecting the central and eastern regions. Dushan County has a total area of 2442.2 square kilometers. In 2012, the total population of Dushan County was 350000, and the GDP was 3.46173 billion yuan. It has been designated as a Class An open county by the state and a comprehensive reform experimental area in ethnic minority areas, a comprehensive agricultural development county, a collective economic experimental area and a spark technology intensive experimental area by the provincial government. December 2016, listed as the third batch of countries