• Tucson
  • Guannan 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.

Guannan (Guannan), referred to as "Guan", known as "Hercynian" in ancient times, has a cultural history of 2090 years since the establishment of Haixi County by Emperor Wu of the Western Han Dynasty. Because it is located in the Guanhe River basin, and because it is located in the south of the Guanhe River, it is named Guannan. Guannan has a long history, has always been busy, business gathering, Wuhua Tianbao, outstanding people. Guannan is the birthplace of Erlang divine culture and Nanguo Tanggou wine, the famous hometown of magic, the first batch of ecological agroforestry experimental demonstration counties in Jiangsu Province, national ecological demonstration counties, national science popularization demonstration counties, and advanced counties in national peace construction. It is known as the hometown of Tongyang wood, Huai yam, shallow lotus root and Erlang god. Guannan County is located in the eastern part of the Asian continent, bordering the Yellow Sea in the east, across the sea from Jeju Road in South Korea, Kyushu Island in Japan, and Lian in the south and southeast.
Airport In Guannan County - Lianyungang Huaguoshan Airport
Lianyungang Huaguoshan Airport (Lianyungang Huaguoshan Airport, IATA: LYG, ICAO: ZSLG), is located in Xiaoyi Town, Guanyun County, Lianyungang City, Jiangsu Province, China. It is 21.5 kilometers away from the center of Lianyungang in the north and about 15 kilometers away from the center of Guanyun County in the south. It is about 50 kilometers away from Lianyungang Baitabu Airport in the northwest; it is a 4D-level international civil transport airport, a large trunk airport in Jiangsu Province, a national first-class air port, and an international shipping center in northern Jiangsu     .
On January 27, 2018, the relocation project of Lianyungang Civil Airport was approved.   ; On February 12, 2019, Lianyungang Huaguoshan Airport started construction   ; On December 2, 2021, Lianyungang Civil Aviation will be relocated from Lianyungang Baitabu Airport to Lianyungang Huaguoshan Airport for operation         .
As of January 2019, the terminal building of Lianyungang Huaguoshan Airport has a construction area of ​​30,000 square meters. It has a runway with a length of 2,800 meters and a width of 45 meters. There is also a parallel taxiway and 5 vertical connecting taxiways; It can meet the needs of annual passenger throughput of 2.5 million person-times, cargo and mail throughput of 24,000 tons, and aircraft take-off and landing of 25,000 sorties   .
In 2021, Lianyungang Huaguoshan Airport will handle 1,233,272 passengers, a year-on-year increase of 27.8%, ranking 88th in the country; cargo and mail throughput will be 8,415.6 tons, a year-on-year increase of 344.4%, ranking 63rd in the country; aircraft movements will reach 15,116 Flights, a year-on-year increase of 27.8%, ranking 105th in the country   .
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