• Tucson
  • Zhongning 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.

Zhongning County belongs to Zhongwei City, Ningxia Hui Autonomous region. It is located in the middle of Ningxia and the southern end of Ningxia Plain, between 105 degrees 26 minutes east longitude-106 degrees 7 minutes and 37 degrees 9 minutes-37 degrees 50 minutes north latitude. Located on both sides of the Yellow River, it is the transitional zone between the Inner Mongolia Plateau and the Loess Plateau, belonging to the continental monsoon climate zone of the north temperate zone. Litong District and Qingtongxia City in the east, Zhongwei City in the west, Tongxin County in the south, and Alashan left Banner in Inner Mongolia in the north. The county is about 50 kilometers wide from east to west and 60 kilometers from north to south, with a total area of 4226.5 square kilometers and a total population of 336100 (2013). The government is stationed in Ning'an Town. Zhongning County is located in the confluence of two tourist routes from Yinchuan to Liupanshan and from Yinchuan to Shapotou. It is a "dry wharf" running through the northwest and the collection and distribution of the flow of people, logistics and information.
Travel Notes In Zhongning County
The Second Rural Tourism and Wolfberry Food Culture Festival in Zhongning County, Ningxia Grand Opening
Purple flowers and jade leaves cover red treasures, and the Ciyuan sings a good harvest in June. On June 18, the second rural tourism and goji berry f