• Tucson
  • Wannian County

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.

Wannian County, under the jurisdiction of Shangrao City, Jiangxi Province, is located in the northeast of Jiangxi Province and the southeast bank of Poyang Lake. It is bordered by Yiyang in the east, Yugan in the west, Yingtan City in the south and Poyang and Leping in the north. Geomorphological features "six mountains, one water and two fields, one road and manor". Wannian County has jurisdiction over 6 towns, 6 townships and 2 management committees, with a population of 435700 (2017). The total area is 1140.76 square kilometers. In 2016, the GDP of Wannian County was 12.058 billion yuan, the added value of the primary industry was 1.361 billion yuan, the added value of the secondary industry was 6.807 billion yuan, the added value of the tertiary industry was 3.89 billion yuan, and the tertiary industrial structure was 11.3, 56.4, 32.3. Wannian County has been awarded Jiangxi provincial health city, Jiangxi provincial garden city, Jiangxi provincial double.
Airport In Wannian County - Shangrao Sanqingshan Airport
Shangrao Sanqingshan Airport (Shangrao Sanqingshan Airport, IATA: SQD, ICAO: ZSSR), located in Houmentang at the junction of Zunqiao Township, Zaotou Town, Guangxin District, Shangrao City, Jiangxi Province, and Maojialing, Xinzhou District, Shangrao City, from the center of Shangrao With a straight-line distance of 8 kilometers, it is a 4C-level feeder airport and the seventh civil airport in Jiangxi Province.
Shangrao Sanqingshan Airport was built on July 8, 2012 and officially opened to navigation on May 28, 2017.
According to comprehensive information in May 2017, Shangrao Sanqingshan Airport covers an area of ​​2,243 acres, with a total investment of about 800 million yuan. The runway is 2,400 meters long and 45 meters wide, with 6 seats.  
In 2019, the passenger throughput of Shangrao Sanqingshan Airport was 500,156; the cargo and mail throughput was 153.8 tons; the number of takeoffs and landings was 5,982; ranking 144th, 181st, and 154th in China respectively.  
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