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  • Zhongba 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.

Zhongba County, which belongs to Xigaze City, Tibet Autonomous region, is located in the west of Xigaze City, 82 °- 84.76 °E and 29.15 °- 31.8 °N. It is located in the southwest border of China, the westernmost end of Xigaze City, north of the Himalayas, both sides of the Maquan River, Pulan County in Ali region in the west, Geji County and Gaize County in Ali region in the north, Cuoqin County in Ali Prefecture and Saga County in Xigaze City in the east, and Nepal in the south. Zhongba County has a total area of 43594 square kilometers and has jurisdiction over 1 town and 12 townships. In 2003, the total population of Zhongba County was 20,000. The Brahmaputra River originates from the Jiema Yangzong Glacier in Zhongba County and is being listed as a national ecological function reserve. The economy of Zhongba County is mainly animal husbandry, raising sheep, goats, yaks and horses. First batch of countries
Travel Notes In Zhongba County
Once Gang Rinpoche turned around the mountain, a lifetime of memories
"It's your own way to go. The year of turning mountains. I didn't mention it in the circle of friends when I went to the mountain last year. At that t
Renduo Township, which cannot be avoided on the Central and North Line of Ali, has a variety of surrounding landforms, and it is as beautiful as a picture if you make mistakes again and again.
Such sunny days may not be many, but it is the norm in northern Tibet. The lake is wide and the sky is high, the air is pure, the day is warm and the
Travel Asks In Zhongba County
Travel Asks In Zhongba County