The Kansas City metropolitan area is a bi-state metropolitan area anchored by Kansas City, Missouri. Its 14 counties straddle the border between the U.S. states of Missouri (9 counties) and Kansas (5 counties). With 8,472 square miles (21,940 km2) and a population of more than 2.2 million people, it is the second-largest metropolitan area centered in Missouri (after Greater St. Louis) and is the largest metropolitan area in Kansas, though Wichita is the largest metropolitan area centered in Kansas. Alongside Kansas City, Missouri, these are the suburbs with populations above 100,000: Overland Park, Kansas; Kansas City, Kansas; Olathe, Kansas; Independence, Missouri; and Lee's Summit, Missouri.
Jiange County, which belongs to Guangyuan City, Sichuan Province, is located at the northern edge of Sichuan Basin, the junction of Sichuan, Shaanxi and Gansu provinces, located in the north of Sichuan Province and the southwest of Guangyuan City, guarding the natural danger of Jianmen. "Jiange is towering and towering into the clouds, as long as it is guarded by one person, thousands of troops are difficult to capture." it is known as "the Golden Triangle of Northern Sichuan" and "the Pearl of Shu Road". The county covers an area of 3204 square kilometers and has jurisdiction over 27 towns and 30 townships, with a total registered population of 657700 at the end of 2017. Dangde County was first established at the end of the Eastern Han Dynasty, and Nanan County was set up in Pu'an Town in the Northern and Southern dynasties during the Liu Song Dynasty. After the reform, Jianzhou was changed to Jiange County in 1913, and the county seat moved to Xiasi Town in September 2003. The work of withdrawing counties and building cities was officially launched in April 2015, and it is planned to complete the declaration of Jianmenguan City at the county level in 2017. Beijing and Kunming