• Tucson
  • DuShan 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.

Dushan County, which belongs to Qiannan Buyi and Miao Autonomous Prefecture of Guizhou Province, is located at the southernmost tip of Guizhou, bordering Nandan County, Guangxi. It is a necessary place for Guizhou Province and even the southwest to enter the sea mouth of Guangdong and Guangxi. Defending Guangdong and Guangdong in the east, Yunnan and Guizhou in the west, ASEAN in the south and Tianfu in the north, known as "the south gate of Guizhou" and "southwest gate", it is not only an important town in southern Guizhou, but also the opening frontier of the western region connecting the central and eastern regions. Dushan County has a total area of 2442.2 square kilometers. In 2012, the total population of Dushan County was 350000, and the GDP was 3.46173 billion yuan. It has been designated as a Class An open county by the state and a comprehensive reform experimental area in ethnic minority areas, a comprehensive agricultural development county, a collective economic experimental area and a spark technology intensive experimental area by the provincial government. December 2016, listed as the third batch of countries
Travel Notes In DuShan County
Come to Dushan Tiandong to make an appointment with the gods!
Come to Dushan to make an appointment with the gods! Tourists know the Zhijin Cave, but they don't know the Dushan Tiandong Cave, but they don't know
May 1st holiday, a trip as soon as you say it and go——Parent-child travel notes of Puyu Shanju in Qiannan, Guizhou
someone said Have at least two impulses in your life a desperate love A trip that goes away this may day holiday The mother named Lulu, with her b
Guizhou Qiannan Wild Luxury Hotel|Looking up at the starry sky, the days above the clouds, Puyu Mountain Residence Day 2 experience
I have been seeing many friends posting beautiful photos of Puyu Mountain Residence before. I have been planting grass for a long time, and this time
Let's go caving together, a fascinating place~
The wind is sunny, warm and comfortable, and it is refreshing and comfortable to go out and play. On this day, I visited the Dushan Tiandong Scenic Ar