• San Francisco
  • Laocheng qu

San Francisco (/ˌsæn frənˈsɪskoʊ/; Spanish for "Saint Francis"), officially the City and County of San Francisco, is the commercial, financial, and cultural center of Northern California in the United States. The city proper is the fourth most populous in California and 17th most populous in the United States, with 815,201 residents as of 2021. It covers a land area of 46.9 square miles (121 square kilometers), at the end of the San Francisco Peninsula, making it the second most densely populated large U.S. city after New York City, and the fifth most densely populated U.S. county, behind only four of the five New York City boroughs. Among the 91 U.S. cities proper with over 250,000 residents, San Francisco was ranked first by per capita income (at $160,749) and sixth by aggregate income as of 2021. Colloquial nicknames for San Francisco include SF, San Fran, The City, Frisco, and Baghdad by the Bay.

San Francisco and the surrounding San Francisco Bay Area are a global center of economic activity and the arts and sciences, spurred by leading universities, high-tech, healthcare, FIRE, and professional services sectors. As of 2020, the metropolitan area, with 6.7 million residents, ranked 5th by GDP ($874 billion) and 2nd by GDP per capita ($131,082) across the OECD countries, ahead of global cities like Paris, London, and Singapore. San Francisco anchors the 13th most populous metropolitan statistical area in the United States with 4.6 million residents, and the fourth-largest by aggregate income and economic output, with a GDP of $669 billion in 2021. The wider San Jose–San Francisco–Oakland, CA Combined Statistical Area is the fifth most populous, with 9.5 million residents, and the third-largest by economic output, with a GDP of $1.25 trillion in 2021. In the same year, San Francisco proper had a GDP of $236.4 billion, and a GDP per capita of $289,990. San Francisco was ranked seventh in the world and third in the United States on the Global Financial Centres Index as of March 2022.

The old city is located in the central east and north of Luoyang urban area. it is the earliest built area of Luoyang, one of the six main urban areas of Luoyang, and the economic, cultural and commercial center of the city. The old city has jurisdiction over 9 subdistrict offices, including 32 community neighborhood committees and 11 administrative villages, with a total area of 56.7 square kilometers and an urban area of 4.7 square kilometers; the total population is 185000 (the sixth census in 2010), and the urban population is 140000, accounting for 2.5% of the city's population. The topography in the region is high in the northwest and low in the southeast, with complex topography and diverse climate. Rich in human resources and tourism resources, the tertiary industry is relatively developed, and the industrial economy is relatively insufficient, which is a typical living consumption area and modern business area.
Airport In Laocheng qu - Luoyang Beijiao Airport
Luoyang Beijiao Airport (Luoyang Beijiao Airport, IATA: LYA, ICAO: ZHLY), located in Mangshan, at the junction of the old city and Mengjin District, Luoyang City, Henan Province, China, 11 kilometers southeast from the center of Luoyang, is a 4D-level international feeder airport , a national first-class air port open to the outside world, and the training airport of Luoyang Branch of Civil Aviation Flight Academy of China   .
On November 19, 1985, the construction of Luoyang Beijiao Airport started   ; On September 26, 1987, Luoyang Beijiao Airport officially opened to traffic   ; On August 1, 1992, Luoyang Beijiao Airport was approved by the State Council to open to the outside world   ; On April 9, 2010, the new terminal of Luoyang Beijiao Airport opened   .
According to the information on the airport's official website in June 2021, the terminal area of ​​Luoyang Beijiao Airport is 14,800 square meters, with 3 boarding bridges; the civil aviation station has 9 seats, including 8 D-class seats and 1 C-class seat. Class aircraft seats; the runway is 2,500 meters long and 45 meters wide; it can meet the needs of annual passenger throughput of 1.53 million passengers and cargo and mail throughput of 5,000 tons     .
In 2021, Luoyang Beijiao Airport will handle a total of 1,237,795 passengers, a year-on-year increase of 29.0%, ranking 87th in the country; cargo and mail throughput will be 928.9 tons, a year-on-year increase of 32.2%, ranking 124th in the country; aircraft movements will be 226,214 Flights, a year-on-year increase of 25.5%, ranking 11th in the country   .
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