Phoenix (/ˈfiːnɪks/ FEE-niks; Navajo: Hoozdo; Spanish: Fénix or Fínix,[citation needed] Walapai: Banyà:nyuwá) is the capital and most populous city of the U.S. state
of Arizona, with 1,608,139 residents as of 2020. It is the fifth-most populous city in the United States, and the only U.S. state capital with a population of more than one million residents.
Phoenix is the anchor of the Phoenix metropolitan area, also known as the Valley of the Sun, which in turn is part of the Salt River Valley. The metropolitan area is the 11th largest by population in the United States, with approximately 4.85 million people as of 2020. Phoenix, the seat of Maricopa County, has the largest area of all cities in Arizona, with an area of 517.9 square miles (1,341 km2), and is also the 11th largest city by area in the United States. It is the largest metropolitan area, both by population and size, of the Arizona Sun Corridor megaregion.
Duilong Deqing District is under the jurisdiction of Lhasa City, Tibet Autonomous region, located in the central and southern part of Tibet Autonomous region, west of Lhasa City, with a total area of 2704.25 square kilometers, two streets, four towns and one township, with a total population of 48696 (2013). No. 1 Tuanjie Road, Dongga Town, District people's Government. Duilong Deqing means "the paradise of Shanggu" in Tibetan. The region is located in the middle reaches of the Yarlung Zangbo River valley, the southern foot of Nianqing Tanggula Mountain, with an average elevation of about 4500 meters, high in the northwest and low in the southeast. Lhasa River and Duilong River flow through the territory. It is rich in solar energy, hydropower and geothermal resources. Tourist attractions include Chubu Temple, Sangmu Folk Natural Village, Qiu Sang Hot Spring and so on. Gu Rong Ciba is a specialty of Duilong Deqing. Agriculture and animal husbandry is the economic foundation of Duilong Deqing. In the 21st century, especially after the opening of the Qinghai-Tibet Railway.