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Tucson (/ˈtuːsɒn, tuːˈsɒn/; Spanish: Tucson, O'odham: Cuk-Ṣon) is a city in and the county seat of Pima County, Arizona, United States, and is home to the University of Arizona. It is the second largest city in Arizona behind Phoenix, with a population of 542,629 in the 2020 United States census, while the population of the entire Tucson metropolitan statistical area (MSA) is 1,043,433. The Tucson MSA forms part of the larger Tucson-Nogales combined statistical area (CSA). Both Tucson and Phoenix anchor the Arizona Sun Corridor. The city is 108 miles (174 km) southeast of Phoenix and 60 mi (97 km) north of the U.S.–Mexico border. Tucson is the 34th largest city and the 53rd largest metropolitan area in the United States (2014).

Major incorporated suburbs of Tucson include Oro Valley and Marana northwest of the city, Sahuarita south of the city, and South Tucson in an enclave south of downtown. Communities in the vicinity of Tucson (some within or overlapping the city limits) include Casas Adobes, Catalina Foothills, Flowing Wells, Midvale Park, Tanque Verde, Tortolita, and Vail. Towns outside the Tucson metro area include Benson to the southeast, Catalina and Oracle to the north, and Green Valley to the south.

Tucson was founded as a military fort by the Spanish when Hugo O'Conor authorized the construction of Presidio San Agustín del Tucsón in 1775. It was included in the state of Sonora after Mexico gained independence from the Spanish Empire in 1821. In 1853, the United States acquired a 29,670 square miles (76,840 km2) region of present-day southern Arizona and southwestern New Mexico from Mexico under the Gadsden Purchase. Tucson served as the capital of the Arizona Territory from 1867 to 1877. Tucson was Arizona's largest city by population during the territorial period and early statehood, until it was surpassed by Phoenix by 1920. Nevertheless, population growth remained strong during the late 20th century. In 2017, Tucson was the first American city to be designated a "City of Gastronomy" by UNESCO.

Qingxiu District, which belongs to Nanning City, Guangxi Zhuang Autonomous region, is the political, economic, cultural, scientific and technological, educational, financial, information and exhibition center of Nanning, and the "city business card" for Guangxi and Nanning to display the achievements of reform and opening up to the outside world. In March 2005, it was renamed "Xincheng District". The total area is 872 square kilometers. Qingxiu District has jurisdiction over 5 streets: Zhongshan Street, Jianzheng Street, Nanhu Street, Hsinchu Street, Jintou Street, and four towns: Changtang Town, Lingli Town, Liuwei Town and Nanyang Town. In 2015, the resident population was 766800, the total registered population was 687000, and the floating population was 251200, with a natural population growth rate of 7.19 ‰. The streets in Qingxiu area are wide and shady, which can reflect the city of Nanning, which is "the city in the green and the green in the city".
Airport In Qingxiu District - Nanning Wuxu International Airport
Nanning Wuxu International Airport (Nanning Wuxu International Airport, IATA: NNG; ICAO: ZGNN), located in Wuxu Town, Jiangnan District, Nanning City, Guangxi Zhuang Autonomous Region, China, 27.8 kilometers away from the city center   , is a 4E-level military-civilian international airport, the largest aviation hub in Guangxi Zhuang Autonomous Region, one of China's tens of millions of airports, an international gateway hub airport facing ASEAN, a first-class air port open to the outside world, and an alternate airport for international flights.  
Nanning Wuxu International Airport was officially completed and opened to navigation in November 1962   , was relocated from Nanning Airport in 1958; the first-phase expansion project was completed in 1990; the second-phase expansion project was completed on September 25, 2014   ; In 2019, the renovation and expansion of the T1 terminal area and the expansion of the runway in the T2 terminal area will begin     ; On March 19, 2020, it was approved to build the second runway and T3 terminal   .
As of January 2019, Nanning Wuxu International Airport has two terminal buildings, namely T1 (under renovation) and T2 (China's domestic and international Hong Kong, Macao and Taiwan), with a total area of ​​214,800 square meters   There is a runway with a length of 3,200 meters and 64 parking spaces (excluding T1); it can meet the annual passenger throughput of 16 million passengers, cargo and mail throughput of 164,000 tons, and aircraft take-off and landing of 137,600 sorties   . As of March 2019, a total of 121 domestic and international routes have been opened, covering 93 cities   .
In 2020, due to the impact of the global epidemic, the passenger throughput of Nanning Wuxu International Airport was 10.5841 million passengers, a year-on-year decrease of 32.9%; the cargo and mail throughput was 107,100 tons, a year-on-year decrease of 12.4%; Decreased by 23.1%; ranking 27th, 29th and 30th in China respectively   ;
On July 11, 2021, the "air-to-air transfer" business of international orders will be launched   ; On July 9, the National Civil Aviation Administration issued the "Letter on Feasibility Study Report of Nanning Airport Reconstruction and Expansion Project and Other Relevant Opinions". Nanning Airport will be rebuilt and expanded, and a new second runway will be built.  
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Travel Asks In Qingxiu District