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  • Qingshanhu District

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.

Qingshan Lake District is a district under the jurisdiction of Nanchang City, Jiangxi Province. It is located in the east of Nanchang City, the capital of Jiangxi Province, the lower reaches of Ganjiang River and the bank of Qingshan Lake. The whole region shows the pattern of the integration of urban and rural areas, belonging to the alluvial plain landform of the Ganfu River. The altitude is generally between 18m and 30m. Qingshan Lake District has jurisdiction over three streets of Qingshan Road, Shanghai Road and Nangang Street; it has jurisdiction over five towns: Jingdong Town, Hufang Town, Tangshan Town, Luojia Town and Jiaoqiao Town, with a total of 81 neighborhood committees and 82 administrative villages. Among them, Jiaoqiao Town entrusts Nanchang Economic and technological Development Zone to manage. The total registered population is 493000 (2013). Among them, the non-agricultural population is 254682. In October 2019, it was rated as one of the top 100 investment potential areas in 2019 and the top 100 scientific and technological innovation areas in 2019.
Airport In Qingshanhu District - Nanchang Changbei International Airport
Nanchang Changbei International Airport (Nanchang Changbei International Airport, IATA: KHN, ICAO: ZSCN), located in Nanchang City, Jiangxi Province, China, about 28 kilometers away from Nanchang City, is a 4E-level civil transport airport.
Nanchang Changbei Airport started construction on October 20, 1996, and was completed and put into use on September 10, 1999. In February 2004, Nanchang Changbei Airport passed the inspection and acceptance of foreign aircraft and was promoted to an international airport. In 2006, the second phase of the reconstruction and expansion project of Nanchang Changbei International Airport broke ground and was put into use in 2009. On May 23, 2011, Terminal T2 of Nanchang Changbei International Airport was officially opened.
According to comprehensive information in November 2018, Nanchang Changbei International Airport has a T1 terminal building of 27,000 square meters, a T2 terminal building of 96,600 square meters, a runway of 3,400 meters, and 51 parking spaces, which can meet the needs of A330, B777, B747 and other Full-weight take-off and landing of large, medium and large passenger aircraft.
In 2017, Nanchang Airport completed a passenger throughput of 10.93 million passengers, a year-on-year increase of 39.0%, with a net increase of 3.07 million passenger throughput; 89,000 flights took off and landed, a year-on-year increase of 35.2%; cargo and mail throughput was 52,000 tons, a year-on-year increase of 33,000 %; respectively ranked 31st, 35th and 34th in China.  
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