• Tucson
  • Changyuan City [3] 

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.

Changyuan City, directly under the jurisdiction of Henan Province and hosted by Xinxiang City, is located in the northeast of Henan Province, between longitude 114o 29 & # 39th east longitude 114o 59 & # 39th longitude, latitude 34 °59 & # 39min 35 °23 & # 39mm, with a total area of 1051 square kilometers. At the end of 2018, the total population of Changyuan City was 880000. By 2019, Changyuan has jurisdiction over 5 streets, 11 towns, 2 townships and 1 provincial high-tech industrial park, and the municipal government is stationed at 368 Renmin Road, Puxi Street. In 221 BC, the first city of Qin was changed to Changyuan County. In August 2019, Changyuan was approved by the State Council to set up a city, which will be administered by Xinxiang City directly under the provincial jurisdiction. Changyuan City has a warm temperate continental monsoon climate. Changji Expressway and Da-Guang Expressway meet; Provincial Highway 308 and 213 pass through the border.
Travel Guides In Changyuan City [3] 
Travel Sights In Changyuan City [3] 
Travel Notes In Changyuan City [3] 
Travel Asks In Changyuan City [3] 
Travel Asks In Changyuan City [3]