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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.

Nangqian County, which belongs to Yushu Prefecture, Qinghai Province, is located in longitude 95 °21 "58" ~ 97 °07 "0" east and latitude 31 °32 "20" ~ 32 °43 "46" north. It is adjacent to Haixi Mongolian Tibetan Autonomous Prefecture in the north, Guoluo Tibetan Autonomous Prefecture in the east, Ganzi Tibetan Autonomous Prefecture in Sichuan Province to the southeast, and Changdu in the Tibet Autonomous region to the south. The longest is 157.5 kilometers from east to west, and the widest from north to south is 130.5 kilometers, with a total area of 12741 square kilometers. In 2013, the total population of Nangqian County was 130000, including Tibetan, Han, Hui, Tu and other ethnic minorities. Nangqian County has gold, silver, copper, iron, lead, zinc, tin, gypsum, sulfur, limestone, coal, salt and other mineral resources. In 2013, the gross domestic product of Nangqian County reached 7.449 billion yuan.
Travel Guides In Nangqian County
Travel Notes In Nangqian County
#唐菲古道# On the third day of entering Tibet, staying overnight in the rain is not unexpected⑥
DAY3: Nangqian - Baizha Forest Farm If there is no plan and corresponding preparations, those trips that just go away are mostly gimmicks, and the sce
Chaka Salt Lake is known as the mirror of the sky in China. There is also a salt production area in Qinghai, which has a longer history.
On the 80-kilometer journey from Nangqian County to Gaer Temple, Baizha Salt Field is a must. Nangqian County, Qinghai Province is located in the famo
The 2,000-year-old underground palace has never been opened. Tibetans regard it as a holy place, and tourists "step on it at will"
The Lancang River flows slowly, and the golden Buddha stands between the heaven and the earth. He gazes at the world and prays for blessings. The clea