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.
Longyan City, also known as Minxi, is located in western Fujian, at the junction of Fujian, Guangdong and Jiangxi provinces, Zhangzhou and Quanzhou to the east, Meizhou in Guangdong to the south, Ganzhou in Jiangxi to the west, and Sanming to the north. In May 1997, the land was removed and the city was established. Longyan is an inland city adjacent to the sea. it is a transportation hub and important passage for extending the two wings of the economic zone on the west coast of the Taiwan Strait, connecting the two continents and expanding the hinterland. In the foothills of Cuiping Mountain, 2 kilometers east of Longyan City, there is a karst cave, which is named "Longyan Cave" because of its rock pattern. Longyan City is the only prefecture-level city in China named after the word "Dragon". Longyan City is composed of part of the northern part of ancient Zhangzhou and part of the jurisdiction of Guting State. Longyan is an integral part of China's old revolutionary base and the Central Soviet area. One of the starting points of the long March, the seven counties (cities and districts) are all counties of the Central Soviet area.