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.
Hezheng County, a county under the jurisdiction of Linxia Hui Autonomous Prefecture, Gansu Province, is located in the south of Linxia Hui Autonomous Prefecture of Gansu Province. It is located in the confluence of the Qinghai-Tibet Plateau and the Loess Plateau. The terrain descends from south to north, with great differences in elevation and climate. The total area is 960 square kilometers. It has jurisdiction over 9 towns and 4 townships, with a total population of 217300 in 2017. Hezheng County crosses the mountains to the east to reach the Guanghe River and the recreational area; to the south, it connects Zhuoni and the cooperative land through the gorge; to the west, the Kanglin Expressway runs through the east and west, and the Hehe Highway, Linkang and second-class highways run through the north and south; there are national 4A scenic spots such as Songmingyan, Taizi Mountain and Nanyang Mountain, which are provincial scenic spots. Songming Rock Flowers will be included in the UNESCO "Representative list of Intangible Cultural Heritage of humanity". 2018