• Chicago
  • Laocheng qu

Chicago (/ʃɪˈkɑːɡoʊ/ (listen) shih-KAH-goh, locally also /ʃɪˈkɔːɡoʊ/ shih-KAW-goh) is the most populous city in the U.S. state of Illinois and the third-most populous in the United States, after New York City and Los Angeles. With a population of 2,746,388 in the 2020 census, it is also the most populous city in the Midwest. As the seat of Cook County (the second-most populous U.S. county), the city is the center of the Chicago metropolitan area, one of the largest in the world.

On the shore of Lake Michigan, Chicago was incorporated as a city in 1837 near a portage between the Great Lakes and the Mississippi River watershed. It grew rapidly in the mid-19th century; by 1860, Chicago was the youngest U.S. city to exceed a population of 100,000. The Great Chicago Fire in 1871 destroyed several square miles and left more than 100,000 homeless, but Chicago's population continued to grow to 503,000 by 1880 and then doubled to more than a million within the decade. The construction boom accelerated population growth throughout the following decades, and by 1900, less than 30 years after the fire, Chicago was the fifth-largest city in the world. Chicago made noted contributions to urban planning and zoning standards, including new construction styles (such as, Chicago School architecture, the development of the City Beautiful Movement, and the steel-framed skyscraper).

Chicago is an international hub for finance, culture, commerce, industry, education, technology, telecommunications, and transportation. It is the site of the creation of the first standardized futures contracts, issued by the Chicago Board of Trade, which today is part of the largest and most diverse derivatives market in the world, generating 20% of all volume in commodities and financial futures alone. O'Hare International Airport is routinely ranked among the world's top six busiest airports according to tracked data by the Airports Council International. The region also has the largest number of federal highways and is the nation's railroad hub. The Chicago area has one of the highest gross domestic products (GDP) in the world, generating $689 billion in 2018. The economy of Chicago is diverse, with no single industry employing more than 14% of the workforce. It is home to several Fortune 500 companies, including Archer Daniels Midland, Conagra Brands, Exelon, JLL, Kraft Heinz, McDonald's, Mondelez International, Motorola Solutions, Sears, and United Airlines Holdings.

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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