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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.

Yanbian County belongs to Panzhihua City, Sichuan Province. Yanbian County is located in the north of Panzhihua City, between 26 °25 °north latitude 27 °21 'and 101 °08 east longitude 102 °04'. The total area of the county is 3269.453 square kilometers. Yanbian County belongs to the subtropical semi-arid monsoon climate, which is warm in winter, high in spring, cool in summer and autumn, small annual difference in air temperature, large diurnal difference, and significant inversion effect in the lower layer in winter. As of 2018, Yanbian County has jurisdiction over 4 towns and 12 townships, and the county government is stationed in Tongzilin Town. The total population is 208400. Yanbian County was called "Dazhi" in ancient times. In the early Qing Dynasty, Ningyuan House was set up to govern Xichang. Yanyuan and Yanbian were subordinate to the military and civilian command of Yanjing Wei. In the sixth year of Yongzheng (1728), Yanyuan County was replaced by strike, which belonged to Ning Yuanfu. Chengdu-Kunming Railway and Chengdu-Kunming Highway under Construction
Airport In Yanbian County - Panzhihua Baoanying Airport
Panzhihua Baoanying Airport (Panzhihua Baoanying Airport, IATA: PZI, ICAO: ZUZH), located on Airport Road, Renhe District, Panzhihua City, Sichuan Province, China, 9 kilometers northwest of Panzhihua City Center, is a 4C-level domestic feeder airport in China, which belongs to the plateau airport ( 1980.2 m).
On December 6, 2003, Panzhihua Baoanying Airport was completed and opened to traffic   ; On July 28, 2011, Panzhihua Baoanying Airport was suspended; on June 29, 2013, Panzhihua Baoanying Airport resumed operations   .
The terminal area of ​​Panzhihua Baoanying Airport is 3,500 square meters; there are 8 C-class aircraft seats on the civil aviation platform; the runway is 2,800 meters long and 45 meters wide; it can meet the annual passenger throughput of 300,000 passengers and 4,000 tons of cargo and mail throughput. need   .
In 2019, Panzhihua Baoanying Airport handled a total of 547,023 passengers, a year-on-year increase of 42.0%, ranking 138th in the country; cargo and mail throughput was 1,700.1 tons, a year-on-year increase of 27.8%, ranking 105th in the country; aircraft movements took off and landed 5,668 , a year-on-year increase of 42.2%, ranking 160th in the country   .
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Travel Asks In Yanbian County
Travel Asks In Yanbian County