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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.

Lujiang County, which belongs to Hefei City, Anhui Province, is located in the middle of Anhui Province and in the south of Hefei City. It is adjacent to Chaohu City, Wuwei County, Zongyang County, Tongcheng County, Shucheng County and Feixi County. The adjacent waters include Chaohu Lake and the Yangtze River. Between latitude 30 °57km north and longitude 117o 01mm, the total area is 2343.7 square kilometers. In Lujiang, there is Tangchi Hot Spring, which enjoys "the first Spring in East China". After Wang Anshi came here to take a bath, he left behind the famous poem of "Cold Spring Poems, boiling like steaming". Yefu Mountain, known as "Jiangbei Xiaojiuhua", gets its name because it is said to be the father of making swords in the Spring and Autumn period. It is a national forest park. In 2018, Lujiang County has jurisdiction over 17 towns and another development zone with a resident population of 100.8.
Airport In Lujiang County - Hefei Xinqiao International Airport
Hefei Xinqiao International Airport (Hefei Xinqiao International Airport, IATA: HFE, ICAO: ZSOF), officially opened to navigation on May 30, 2013, is located in Gaoliu Street, Shushan District, Hefei City, Anhui Province, 31.8 kilometers away from the center of Hefei, 4E level international airport   , a regional hub airport, a member of the East China Airport Group.  
In November 1977, Hefei Luogang Airport officially started operation. At the end of June 2006, Hefei Luogang Airport was officially upgraded to an international airport after being checked and accepted by relevant state departments. At 24:00 on May 29, 2013, Hefei Luogang International Airport, which had been in safe operation for 36 years, was permanently closed. At midnight on May 30, 2013, Hefei Xinqiao International Airport was officially opened.  
According to the information on the airport's official website in December 2017, the runway of Hefei Xinqiao International Airport is 3,400 meters long and 45 meters wide; there is one terminal building with an area of ​​108,500 square meters; the area of ​​the station is 360,000 square meters, with a total of 53 seats , including 19 bridge seats and 34 remote seats. It is designed to meet the needs of 11 million passenger throughput and 150,000 tons of cargo and mail throughput in 2020.      
On November 26, 2018, Hefei Xinqiao International Airport exceeded 10 million passenger traffic, becoming one of the "10 million airport clubs". This is another historic breakthrough after crossing 8 million and 9 million in 2017.  
During the National Day in 2019, Hefei Airport further optimized the service process, improved the security plan, opened more security check channels in a timely manner, reduced the waiting time of passengers in line, and focused on strengthening personalized services for special groups such as the elderly and children.  
In May 2022, the pouring of the 1,000th engineering pile foundation of the T2 terminal of Hefei Xinqiao International Airport was completed, marking a new step in the expansion project of the terminal area of ​​Hefei Xinqiao International Airport.  
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Travel Asks In Lujiang County