• Tucson
  • Qusum 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.

Qusong County, which belongs to Shannan City, Tibet Autonomous region, is located between 92 °7 degrees east longitude and 92 °12 degrees east longitude and 29 °18 degrees north latitude and 29 °42 degrees north latitude. It is located on the north side of the Himalayas, the south bank of the middle reaches of the Brahmaputra River, Sangri County in the north, Longzi County in the south, Jiacha County in the east and Nai Dong District in the west. Qu Song means "three Rivers" in Tibetan. Because the Sebu River, Jiangza River and Gongbu River run through the county, the Tibetan translation of the three rivers is "Qusong", hence the name of Qusong County. As of 2011, there are 16309 people in Qusong County, with a total area of 1967 square kilometers, with an average elevation of more than 4200 meters, and the county seat Zhuokang 3896 meters above sea level. Agriculture is the main economy. As of 2014, the gross national product of Qusong County has reached 489 million yuan. October 2018, West
Travel Sights In Qusum County
Travel Notes In Qusum County
Go, drive Tibet by yourself! (10)
Today is April 15th, the tenth day of self-driving Tibet. Today's plan is to start from Lang County, visit the ruins of the Lagari Palace via Qusong,
Travel Asks In Qusum County
Travel Asks In Qusum County