• Tucson
  • Ruoqiang 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.

Ruoqiang County, under the jurisdiction of Bayingoleng Mongolia Autonomous Prefecture in Xinjiang Uygur Autonomous region, is located in the southeast of Bazhou, on the southeast edge of Taklimakan Desert, longitude 86 °45 °E, latitude 36 °~ 41 °23'N. It is bordered by Qiemo County in the west, Yuli County and Shanshan County and Hami City in the north, Gansu Province and Qinghai Province in the east, and Tibet Autonomous region in the south, with a land area of 202300 square kilometers, which is the largest county in the country (about the size of two Zhejiang provinces). The county people's government is stationed in Ruoqiang Town, 894 kilometers away from Urumqi and 444 kilometers away from Korla, the state capital. Ruoqiang County has been the second strategic passage from the mainland to Central Asia and Xinjiang to the mainland since ancient times, and it was also the necessary route of the ancient "Silk Road." The county has jurisdiction over two management committees,
Travel Sights In Ruoqiang County
Travel Notes In Ruoqiang County
Exploring the big and small South Lakes, crossing Lop Nur ——2020 Autumn Tibet, Xinjiang and Qinghai Self-driving Travel Notes (15)
Lop Nur, a place name that makes people feel excited when they hear it, it is the site of my country's first atomic bomb test, and it is also the site
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