• Tucson
  • Zhengan 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.

Zheng'an County is the lower jurisdiction county of Zunyi City, Guizhou Province, which is located in the northeast of Zunyi City. It is the frontier of Chongqing and the important economic and cultural intersection area of southern Chongqing and northern Guizhou. It is known as the "gateway to northern Guizhou". Zheng'an County is located in the north of Guizhou Province, bordering Nanchuan District of Chongqing to the north, Daozhen County and Wuchuan County in the northeast, Fenggang County and Meitan County in the southeast, Suiyang County in the south and Tongzi County in the northwest. In 2017, Zheng'an County achieved a regional GDP of 10.06382 billion yuan, of which the added value of the primary industry was 2.86398 billion yuan, the secondary industry was 2.221 billion yuan, and the tertiary industry was 4.97884 billion yuan. The proportion of the three industrial structures in the gross domestic product is 28.4% in the primary industry, 22.1% in the secondary industry and 22.1% in the tertiary industry.
Travel Guides In Zhengan County
Travel Notes In Zhengan County
Township tour in central Guizhou·Pingsheng Village, Zheng'an County丨Spring is here, and this village is ready to celebrate "Ming"
Winter frost fades everything It's the beginning of spring again Let's leave all the trouble behind Walk into this quiet village at an altitude of
Countryside tour in central Guizhou·Zheng'an County Ruixiju │Watermill leisurely, singing the songs of the beautiful countryside
Surrounded by willow trees, blooming in full bloom A "beautiful village" with a blessed land and enjoying the mountains and rivers Like an ecologica
Township tour in central Guizhou·Zheng'an County Tongziju │ Enter the hometown of guitar and listen to nostalgic music
Patchwork beautiful village and farther Mountain peaks frame the rolling skyline A beautiful rural picture scroll just like that Tongziju, Yangxin