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.
Shiquan County is located in the west of Ankang City, Shaanxi Province, with Qinling Mountains and Nanqianba Mountain in the north, located in the hinterland of Qinba and the bank of Han River, with a total area of 1525 square kilometers. It is a national key county for poverty alleviation and development. Shiquan County was founded in the first year of Emperor Fei in the Western Wei Dynasty (AD 525). It was named because of "many springs in the stone gap in the south of the city and endless runoff". Shiquan County is a national health county and provincial garden county; it is an important destination of Qinba Han River eco-tourism, known as "Qinba landscape, Shiquan ten beauties"; it is the first sericulture industry county in the west, known as "the source of the Silk Road and the hometown of golden silkworms"; it is an important water conservation place for the national south-to-north water transfer and an important electric energy base in the west. It is an important birthplace of pre-Qin culture. Gui Guzi, the ancestor of the vertical and horizontal school, practiced and taught his apprentice in Shiquan County, also known as the hometown of Gui Guzi.