• Tucson
  • Pukou 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.

Pukou District, located in the northwest of Nanjing, is an important national pharmaceutical base, advanced manufacturing base, science and education base in East China, radiating important areas in northern Jiangsu and eastern Anhui, and Liuhe District together constitute Nanjing Jiangbei New area. The establishment of Pukou District began in the Republic of China in 22 years (1933), originated from the eighth District of the Republic of China, because Pukou City (Puzikou City) is located in the territory, so it is named Pukou District. The history of Pukou District can be traced back to the "Hemudu era", with a history of more than 7000 years of civilization, giving birth to a diverse and unique local culture. After the Ming Taizu decided the capital of Nanjing, he thought that Pukou "resisted the north and south and clamped down the Jianghuai River", so he built Pukou City. In 1912, Yuan Shikai government established Pukou as a commercial port; in 1914, the Jinpu Railway from Tianjin to Pukou, Nanjing was officially opened to traffic, and Pukou Railway Station became
Airport In Pukou District - Nanjing Lukou International Airport
Nanjing Lukou International Airport (Nanjing Lukou International Airport, IATA: NKG, ICAO: ZSNJ), located in Lukou Street, Jiangning District, Nanjing City, Jiangsu Province, is the gateway to Jiangsu Province and Nanjing City, and is the main national trunk airport and a first-class air port , the main cargo airport in East China   , with Shanghai Hongqiao Airport and Pudong Airport as alternate airports   , is a national large-scale hub airport, China Air Cargo Center and express mail distribution center   , the national regional transportation hub.   
Nanjing Lukou International Airport started construction in February 1995 and officially opened to air on July 1, 1997; in 2005, it was awarded the title of "International Sanitary Airport" by the World Health Organization; in 2009, the passenger throughput exceeded 10 million passengers, entering China's tens of millions In July 2014, the second phase of the project was completed and opened; in June 2015, the route from Nanjing to Los Angeles was opened, and Nanjing became the fifth city in China to open regular passenger routes to Europe, Australia and the United States.     
As of August 2020, Lukou Airport is a 4F-level airport. Nanjing Lukou International Airport has two 3,600-meter runways, two terminal buildings, two cargo terminals and a transportation center. The terminal building has a construction area of ​​425,000 square meters , the apron area is nearly 1.1 million square meters. With 135 domestic routes and 23 international routes, connecting to 115 destinations at home and abroad, it has preliminarily established a route network that radiates to Asia, connects Europe and the United States, and reaches Australia.    
In 2017, the passenger throughput of Nanjing Lukou International Airport was 25.822 million, a year-on-year increase of 15.5%, ranking 11th in the country; the cargo and mail throughput was 374,000 tons, a year-on-year increase of 9.6%, ranking 10th in the country; takeoffs and landings were 209,000 , of which 208,000 took off and landed, a year-on-year increase of 11.4%.  
Travel Guides In Pukou District
Travel Sights In Pukou District
Travel Notes In Pukou District
Travel Asks In Pukou District
Travel Asks In Pukou District