• Tucson
  • Tingri 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.

Dingri County, which belongs to Xigaze City, Tibet Autonomous region, is located between longitude 86 °20 "7 °70" east and latitude 27 °80 "29 °10 'north. Located at the foot of Mount Everest at the northern foot of the Himalayas, it is the center of Mount Qomolangma Nature Reserve (Zhaxi Zong Township and Qudang Township), adjacent to Dingjie and Sakya Counties to the east, Nyalam County to the west and Anren County to the north; Lazi County to the northeast; and Nepal to the south. Dingri County resident Xieger 4300 meters above sea level. The average elevation of Dingri County is 5000 meters. The total land area of Dingri County is about 14000 square kilometers. It is 115 kilometers from east to west and 152 kilometers from north to south. In 2013, there were 62000 people in Dingri County, including Han, Tibetan, Uygur and other ethnic minorities. There are famous Gama ditches and Rongzhong ditches. The fixed date belongs to
Travel Sights In Tingri County
Travel Notes In Tingri County
Ali Ghost Lake - Laangcuo
Laangcuo, known as Ghost Lake, means "poisonous black lake" in Tibetan. It is located in Pulan County, Ngari Prefecture, with an altitude of 4,573 met
2017 My Xinjiang-Tibet Line + 18-day Tour of Northern and Southern Xinjiang
People's memory always fades slowly with time, no matter how unforgettable things are, under the erosion of time, they will gradually return to calm,
When was the highest Tingri Guandi Temple in the world built? Why do Tibetans also worship the Han Temple?
Shortly after crossing the Gacola Pass at an altitude of 5,220 meters, we arrived at Tingri County and entered Gangga Town at night. Tingri County is
Mount Everest Namtso Travel Guide
Mount Everest is the main peak of the Himalayas and the highest peak in the world. Mount Everest Base Camp is located in the south of Rongbuk Monaster