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.
Lieshan District, which belongs to Huaibei City, Anhui Province, has a total area of 388 square kilometers and a total population of 370000. The district has jurisdiction over 4 streets and 3 towns: Linhaitong Street, Baishan Street, Renlou Street, Yangzhuang Street, Lishan Town, Songfu Town and Gulao Town. In 2018, the GDP for the whole year reached 10.01 billion yuan, an increase of 3.8% over the same period last year. Liishan District is rich in mineral resources, including coal, kaolin, limestone, aluminum, iron, copper, etc., the development started early, the first mine in Huaibei coalfield was built in Lieshan. Places of interest include the ruins of Zhu County in the Western Han Dynasty, the ruins of Zhuyang County in the early Tang Dynasty, the early Neolithic Peiligang Culture site of the province's key cultural relics protection units, Longji Mountain Natural Scenic spot, Nanhu Park, National Urban Wetland Park, and Huajiahu. Be honored with "medium"