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.
Jingyan County, which belongs to Leshan City, Sichuan Province, is located in the southwest of Sichuan Basin, between longitude 102 °55 "104 °00" east and latitude 28 °25 "29 °55 'north, with a total area of 840.6 square kilometers. Jingyan County belongs to the humid climate area of the middle subtropics of Sichuan Basin, with warm and humid climate, the same season of rain, abundant rainfall, but uneven distribution, no severe cold in winter, no heat in summer, slight lack of sunshine, four distinct hot and cold seasons, and two distinct dry and wet seasons. As of 2018, Jingyan County has jurisdiction over 27 townships with a population of about 396500. Jingyan County in ancient times for the field of Shu, Han home Wuyang County Jingyan Town, Sui Kaihuang 11 years (591) Li Longshan County, waste Puting home Jingyan County. From the eleventh year of Emperor Kaihuang of the Sui Dynasty (591) to the founding of the county, more than 600 from the Tang and Song dynasties to the early Yuan Dynasty