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  • Ouhai 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.

Ouhai District, Wenzhou Municipal District of Zhejiang Province, is one of the four major urban areas of Wenzhou. In ancient times, Ouhai belonged to "Oudi", with a land area of 466.46 square kilometers, accounting for 40.2% of the urban land area of Wenzhou and 4.0% of the city's land area. The county was established in 1981 and was withdrawn from the county in 1992, with 12 streets, 1 town, 1 provincial development zone, 251 administrative villages and 85 communities, with a total population of 996900 (2010). Ouhai District has successively won the honorary titles of advanced areas in China's scientific and technological work, strong provincial education, provincial civilized urban areas, provincial peace and security areas, provincial scientific and technological strong areas, provincial community health service advanced areas, provincial double-support model cities, provincial rural grass-roots organizations "Vanguard Project" construction advanced areas, provincial sports strong areas and other honorary titles. two hundred and one
Airport In Ouhai District - Wenzhou Longwan International Airport
Wenzhou Longwan International Airport (Wenzhou Longwan International Airport, IATA: WNZ, ICAO: ZSWZ), located in Longwan District, Wenzhou City, Zhejiang Province, China, is on the verge of the East China Sea and is about 22 kilometers away from the city center. It is a 4E-class civil international airport and a national first-class airline. Ports, China's domestic second-class civil airports.  
Wenzhou Longwan International Airport was formerly known as Wenzhou Yongqiang Airport, which was officially opened to navigation on July 12, 1990, and changed to its current name in March 2013.   In November 2011, the construction of the T2 terminal of the airport officially started.   On August 9, 2013, the new runway of the airport passed the inspection.  
As of June 2018, Wenzhou Longwan International Airport has two terminals, namely T1 (international) and T2 (domestic), with a total area of ​​129,500 square meters; it has an apron of 534,000 square meters and 59 parking positions. There are 29 airport bridges; a runway with a length of 3,200 meters and a width of 45 meters (including a shoulder of 60 meters), which can meet the capacity requirements of an annual passenger throughput of 15 million passengers; 125 operating routes, including 16 international (regional) routes.   As of November 2018, the airport has accumulatively served 133 cities, including 29 international (regional) cities.  
In 2017, the passenger throughput of Wenzhou Longwan International Airport was 9.2856 million passengers, a year-on-year increase of 13.4%; the cargo and mail throughput was 75,500 tons, a year-on-year decrease of 2.9%; No. 31, 42.   
In 2018, the annual passenger throughput of Wenzhou Airport exceeded 10 million for the first time, successfully entering the ranks of large international airports with tens of millions. In 2019, Wenzhou Airport completed 92,300 flight movements, 12,291,700 passenger throughput, and 81,100 tons of cargo and mail throughput, a year-on-year increase of 6.87%, 9.56%, and 1.14%, respectively.  
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