• Tucson
  • Lhozhag 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.

Luozha County belongs to Shannan City, Tibet Autonomous region, which means "Southern Great Cliff" in Tibetan. It is located in the south of the Tibet Autonomous region and at the southern foot of the Himalayas. The central part of the county is a grand canyon-Luozhagou, which is one of the border counties of the Tibet Autonomous region. The border line is 200 kilometers long. It is adjacent to Cuomei County and Cuona County in the southeast, Langkazi County in the northwest and the Kingdom of Bhutan to the south. In 2014, the total land area of the county was 5570.3 square kilometers. The water area is about 400 square kilometers. It is rich in water conservancy, wind and solar energy resources. The total population of the county is 20,000 (2014). It has jurisdiction over 2 towns and 5 townships. In 2012, the county's GDP reached 270.18 million yuan, 1.7 times that of 2010. Loza ("Southern Great Cliff" in Tibetan) is located south of the Himalayas.
Travel Notes In Lhozhag County
Go deep into the hinterland of the Himalayas - Shannan and Shigatse Grand Ring Road
Just one year later, my desire to go to Tibet moved again. Last year, I took the Linan Line of the Great Ring Road in Ashigatse, and this year I want
Travel Asks In Lhozhag County
Travel Asks In Lhozhag County