Dayton vs Chongqing

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Dayton () is the sixth-largest city in the state of Ohio and the county seat of Montgomery County. A small part of the city extends into Greene County. The 2019 U.S. census estimate put the city population at 140,407, while Greater Dayton was estimated to be at 803,416 residents. This makes Dayton the fourth-largest metropolitan area in Ohio and 63rd in the United States. Dayton is within Ohio's Miami Valley region, just north of Greater Cincinnati. Ohio's borders are within 500 miles (800 km) of roughly 60 percent of the country's population and manufacturing infrastructure, making the Dayton area a logistical centroid for manufacturers, suppliers, and shippers. Dayton also hosts significant research and development in fields like industrial, aeronautical, and astronautical engineering that have led to many technological innovations. Much of this innovation is due in part to Wright-Patterson Air Force Base and its place in the community. With the decline of heavy manufacturing, Dayton's businesses have diversified into a service economy that includes insurance and legal sectors as well as healthcare and government sectors. Along with defense and aerospace, healthcare accounts for much of the Dayton area's economy. Hospitals in the Greater Dayton area have an estimated combined employment of nearly 32,000 and a yearly economic impact of $6.

8 billion. It is estimated that Premier Health Partners, a hospital network, contributes more than $2 billion a year to the region through operating, employment, and capital expenditures. In 2011, Dayton was rated the #3 city in the nation by HealthGrades for excellence in healthcare.Dayton is also noted for its association with aviation; the city is home to the National Museum of the United States Air Force and is the birthplace of Orville Wright. Other well-known individuals born in the city include poet Paul Laurence Dunbar and entrepreneur John H. Patterson. Dayton is also known for its many patents, inventions, and inventors, most notably the Wright brothers' invention of powered flight. In 2007 Dayton was a part of the top 100 cities in America. In 2008, 2009, and 2010, Site Selection magazine ranked Dayton the #1 mid-sized metropolitan area in the nation for economic development. Also in 2010, Dayton was named one of the best places in the United States for college graduates to find a job.On Memorial Day of 2019 Dayton was affected by a tornado outbreak, in which a total of 15 tornadoes touched down in the Dayton area. One was a half-mile wide EF4 that tore through the heart of the city causing damage.

Source: Wikipedia

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Chongqing (Sichuanese pronunciation: [tsʰoŋ˨˩tɕʰin˨˩˦], Standard Mandarin pronunciation: [ʈʂʰʊ̌ŋ.tɕʰîŋ] (listen), UK: , US: ,), alternately romanized as Chungking, is a megacity in southwest China. Administratively, it is one of the four municipalities under the direct administration of central government of the People's Republic of China (the other three are Beijing, Shanghai and Tianjin), and the only such municipality located far away from the coast. The municipality of Chongqing, which is around the size of Austria, includes the city of Chongqing and various non-connected cities. As the Chongqing municipality government directly administers the city of Chongqing, as well as rural counties, and other cities not connected to the city of Chongqing, Chongqing municipality can technically claim to be the largest city proper in the world, even though this is due to a classification technicality and not because it is actually the world's largest urban area. This title belongs to the Guangzhou-Shenzhen Pearl River Delta agglomeration. Chongqing was a municipality during the Republic of China (ROC) administration, within the Sichuan Province. It served as its wartime capital during the Second Sino-Japanese War (1937–1945), being one of the world's anti-fascist command centers. The current municipality was separated from Sichuan province on 14 March 1997 to help develop the central and western parts of China.

The Chongqing administrative municipality has a population of over 30 million. The city of Chongqing, comprising 9 urban and suburban districts, has a population of 8,750,000 as of 2018. According to the 2010 census, Chongqing is the most populous Chinese municipality, and also the largest direct-controlled municipality in China, containing 26 districts, eight counties, and four autonomous counties. The official abbreviation of the city, "Yú" (渝), was approved by the State Council on 18 April 1997. This abbreviation is derived from the old name of a part of the Jialing River that runs through Chongqing and feeds into the Yangtze River. Chongqing has a significant history and culture. Being one of China's National Central Cities, it serves as the economic centre of the Sichuan Basin and the upstream Yangtze. It is a major manufacturing centre and transportation hub; a July 2012 report by the Economist Intelligence Unit described it as one of China's "13 emerging megalopolises". Chongqing is ranked as a Beta global city. Chongqing is also one of the top 100 science cities in the world by scientific research as tracked by the Nature Index according to the Nature Index 2020 Science Cities and home to several notable universities, including Chongqing University and Southwest University.

Source: Wikipedia