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.
Lingwu, known as Lingzhou in ancient times. Ningxia Hui Autonomous region has jurisdiction over county-level cities, which is the core area of industrial development in Ningxia Hui Autonomous region and Yinchuan City. Lingwu is known as "south of the Yangtze River" and has a long history of civilization. as early as the late Paleolithic Age more than 30,000 years ago, human beings thrived in the magical land of Lingwu, which is one of the birthplaces of the ancient civilization of the Chinese nation. It has been more than 2200 years since Lingwu bought the county in the fourth year of Emperor Huidi of the Western Han Dynasty (191 BC). Lingwu is rich in tourism resources and many places of interest. The famous Shuidonggou is the earliest Paleolithic human cultural site found in China, and is known as "the birthplace of Chinese prehistoric archaeology". The Lingwu dinosaur fossil site 160 million years ago is a large area, concentrated distribution, well-preserved and surrounding environment in China.