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.
Qushui County, under the jurisdiction of Lhasa City, Tibet Autonomous region, is located in the hinterland of Tibet, the lower reaches of the Lhasa River and the north bank of the middle reaches of the Brahmaputra River. it belongs to the valley of the middle reaches of the Yarlung Zangbo River, mostly flat and semi-arid in the temperate zone, with a total area of 1680 square kilometers. it has jurisdiction over one town and five townships, with a registered household population of 37290 in 2018. Qushui, known in Tibetan as "Jimai", which means "the state where rivers meet", has been a transportation hub connecting Lhasa and Shannan, Nyingchi and Xigaze since ancient times. In 2016, Qushui County was listed as the second batch of national comprehensive pilot areas for new urbanization. In October 2018, the people's Government of Tibet Autonomous region formally approved the withdrawal of Qushui County from poverty-stricken counties (districts). In 2018, the gross domestic product (GDP) of Qushui County was 16. 5%.