• Tucson
  • Xinhuang Dong Autonomous 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.

Xinhuang [Hu à ng] Dong Autonomous County, which belongs to Huaihua City, Hunan Province, is located in the west of Xiangxi in the middle and low mountains and hills, bordering the Yunnan-Guizhou Plateau in the west, Zhijiang River in the east and Guizhou in the north and south. The total area is 1508 square kilometers. Among them, mountains account for 84.22% of the total area, and Tianlei Mountain, the highest peak, is 1136 meters above sea level. There are many streams in the territory, forming many valleys and flatlands. The county has jurisdiction over 9 towns and 2 ethnic townships), and the county government is stationed in Kuozhou Town. Xinhuang has a population of about 270000 in 2015, of which the Dong nationality accounts for 80.13%. The forest coverage of Xinhuang reaches 67.5%. Cinnamomum camphora is distributed as a community, which is the only source of right-borneol camphor in Chinese mainland. There are many mineral resources, including 900 million tons of potash feldspar and 280 million tons of barite.
Airport In Xinhuang Dong Autonomous County - Huaihua Zhijiang Airport
Huaihua Zhijiang Airport (Huaihua Zhijiang Airport, IATA: HJJ, ICAO: ZGCJ), referred to as "Zhijiang Airport", is located in the eastern suburb of Zhijiang Dong Autonomous County, Huaihua City, Hunan Province, 31 kilometers northeast of Huaihua City, northwest of Zhijiang Jiang Station is 5 kilometers away. It is a 4C-level military-civilian joint feeder airport. The predecessor of the airport "Zhijiang Airport" is known as "the second largest strategic airport in the Far East".     .
In October 1938, Zhijiang Airport was completed and opened to navigation   ; In January 2003, Huaihua Zhijiang Airport officially started construction; on December 19, 2005, Huaihua Zhijiang Airport officially opened to navigation; on March 30, 2017, the runway of Huaihua Zhijiang Airport was extended to 2600 meters   .
As of February 2021, the temporary terminal of Huaihua Zhijiang Airport has an area of ​​2,000 square meters, and the area of ​​the civil aviation station is 27,065 square meters. There are 3 C-class seats and 1 B-class seat; the runway is 2,600 meters long, 45 meters; can guarantee the use demand of 400,000 passenger throughput and 9,600 tons of cargo and mail throughput in 2020     .
In 2021, Huaihua Zhijiang Airport will complete an annual passenger throughput of 349,195 passengers, a year-on-year decrease of 9.6%, ranking 157th in the country; cargo and mail throughput of 7.6 tons, a year-on-year decrease of 36.8%, ranking 215th in the country; aircraft movements of 32,886 sorties, a year-on-year increase of 47.6%, ranking 71st in the country   .
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