• Tucson
  • Liangshan Yi Autonomous Prefecture

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.

Liangshan Yi Autonomous Prefecture is one of the three autonomous prefectures in Sichuan Province and Xichang, the capital. Located in the southwest of Sichuan Province, Dadu River borders Ya'an City and Ganzi Prefecture in the north, Jinsha River faces Yunnan Province in the south, Zhaotong City in Yunnan Province and Yibin City and Leshan City in Sichuan Province in the east, Ganzi Prefecture in the west; the terrain is high in the northwest, low in the southeast, high in the north and low in the south; the climate belongs to the subtropical monsoon climate zone. The city covers an area of 60400 square kilometers and has jurisdiction over 1 county-level city, 15 counties and 1 autonomous county, with a registered population of 5.2129 million in 2017. Liangshan has been an important passageway to Yunnan and Southeast Asia since ancient times and the important town of the "Southern Silk Road". It is located in the heart of the "Greater Shangri-La Tourism Ring". There are 27 A-class scenic spots, including 9 4A-class scenic spots. Qionghai-Lushan, Luoji Mountain and Luoji Mountain
Travel Guides In Liangshan Yi Autonomous Prefecture
Travel Sights In Liangshan Yi Autonomous Prefecture
Travel Notes In Liangshan Yi Autonomous Prefecture
2014 Sichuan Lugu Lake Self-driving Tour (February 7) Liangshan Prefecture, Yihai Scenic Spot
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As the saying goes, troublemakers come out of poor mountains and bad waters. Taking the current Puxiong area of ​​Daliang Mountain as an example, this
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