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.
Qingxu County is located in the middle of Shanxi Province and belongs to Taiyuan City, Shanxi Province. 208National Highway, 307National Highway, Qingyin Expressway and Taizhongyin Railway pass through the border, with a total area of 609square kilometers. It has jurisdiction over 4 towns, 5 townships, 1 subdistrict office, 192 administrative villages and 6 community neighborhood committees, with a permanent population of 340000. Qingxu, known as Tuanyang, was founded in the Spring and Autumn period, with a long history and a gathering of humanities. It has a history of more than 2500 years. It is the hometown of Mr. Luo Guanzhong, a master of Chinese classical literature, and Mr. Ma Quan, a famous contemporary Chinese painting artist. It is also one of the grape producing areas in the country and the birthplace of Shanxi aged vinegar. It is known as "Portuguese Village" and "vinegar Capital". There are 2 national cultural relics protection units, 4 provincial cultural relics protection units and 6 municipal cultural relics protection units in the county. Qingxu County has basically formed clean energy and green food.