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.
Longling County is located in the west of Yunnan Province, with geographical coordinates of 98 °25 "99 °11" east longitude and 24 °07 "24 °50 'north latitude. It is bordered by Shidian, Yongde, Zhenkang, Myanmar, Luxi, Lianghe, Tengchong and Longyang respectively. The maximum distance between east and west of the county is 64 kilometers, and the maximum span between north and south is 78 kilometers, with a total area of 2884 square kilometers. The county has jurisdiction over 5 towns and 5 townships (including 1 ethnic township). Longling is located in the Nujiang fault zone, with many earthquakes and geothermal. Belongs to the subtropical mountain monsoon climate, the three-dimensional climate is obvious, the annual precipitation is about 2300 mm, it is called "the rain screen of western Yunnan". Places of interest include Xiao Heishan Nature Reserve, Banglazhang Hot Mineral Spring, Songshan Battle site, Dam Martyrs Cemetery, Xishan Park, Yunlong Temple, etc., as well as Hetou Shaotan Tianpo, etc.