• Tucson
  • Dai Autonomous Prefecture of Xishuangbanna

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.

Xishuangbanna Dai Autonomous Prefecture, one of the eight autonomous prefectures in Yunnan Province, is the capital of Jinghong City. Located in the southernmost tip of Yunnan Province, it is located at about 21 °10 degrees north latitude and 99 °55'to 101 °50 'east longitude. It belongs to the tropical humid area south of the Tropic of Cancer and is connected with Jiangcheng County and Pu'er City to the east and west. It is adjacent to Lancang County in the northwest, connected to Laos and Myanmar in the southeast, south and southwest, and adjacent to Thailand and Vietnam. The boundary line is 966.3 km long, which is equal to 1 inch 4 of the total length of the border line of Yunnan Province, covering an area of 19582.45 square kilometers. Xishuangbanna is located on the northern edge of the tropics and has a tropical monsoon forest climate. As of 2017, Xishuangbanna has jurisdiction over 1 county-level city and 2 counties. In 2017, the total resident population of Xishuangbanna is 1.18 million.
Travel Sights In Dai Autonomous Prefecture of Xishuangbanna
Travel Notes In Dai Autonomous Prefecture of Xishuangbanna
2021 Caiyunzhinan self-driving tour diary 1
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