• Tucson
  • Xiacheng 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.

Xiacheng District, which belongs to Hangzhou City, Zhejiang Province, is located in the middle of Hangzhou City. It has jurisdiction over 8 streets and 74 communities. It was established in June 1949 and belongs to subtropical monsoon climate, with a total area of about 31.46 square kilometers. By the end of 2018, the resident population of Xiacheng District was 526000. Xiacheng District is bounded by Jianggan District in the east, Gongshu District in the north and west, Xihu District in the west and Shangcheng District in the south. It is called Xiacheng District because it is located in the north of the Imperial City of the Southern Song Dynasty. Xiacheng District has been the center of Hangzhou silk industry and urban culture and education since the Tang and Song dynasties. In 2018, Xiacheng District achieved a GDP of 92.891 billion yuan, a total financial income of 16.411 billion yuan, and an annual per capita disposable income of 61172 yuan for urban residents.
Airport In Xiacheng District - Hangzhou Xiaoshan International Airport
Hangzhou Xiaoshan International Airport (Hangzhou International Airport, IATA: HGH, ICAO: ZSHC), located in Xiaoshan District, Hangzhou City, Zhejiang Province, China, 27 kilometers away from the city center, is a 4F civil transport airport and one of the twelve major trunk line airports in China , international scheduled flight airports, first-class air ports open to the outside world, and international flight alternate airports.    In October 2019, it became an air port implementing a 144-hour transit visa-free policy.     
Hangzhou Xiaoshan International Airport was relocated from the civil aviation part of the original Hangzhou Jianqiao Airport to build a new one. In November 2007, the second phase of the project started construction and was completed and put into operation in December 2012.  
According to the information on the airport's official website in August 2017, the airport covers an area of ​​10 square kilometers and has four terminals, T1, T3 (domestic) terminal, T2 (international, Hong Kong, Macao and Taiwan) terminal and T4 terminal, T1, T2 and T3 have a total area of ​​370,000 square meters; there are two runways with lengths of 3,600 meters and 3,400 meters respectively, which can meet the standby landing requirements of A380 and below models; passenger plane apron is 1.1 million square meters, 49 boarding bridges, and cargo planes are parked With a ping of 52,000 square meters, it can meet the guarantee needs of an annual passenger throughput of 33 million person-times, cargo and mail throughput of 805,000 tons, and flight movements of 260,000. By the end of 2015, the airport had 127 seats and 235 routes, including 196 domestic routes.   
In 2017, the airport handled 35.57 million passengers, an increase of 12.6% year-on-year, 589,000 tons of cargo and mail, an increase of 20.8% year-on-year, and 271,000 flights, an increase of 8% year-on-year.   On November 29, 2019, the direct route from Hangzhou to Cairo, Egypt was officially launched.   At the end of December 2019, the annual passenger throughput of Hangzhou Xiaoshan International Airport exceeded 40 million.   Since 2019, the number of inbound passengers at Hangzhou Xiaoshan International Airport has reached 5.45 million, a year-on-year increase of 5.5%.   . In 2019, the throughput ranked tenth in the country.  
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