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.
Cangxi County, which belongs to Guangyuan City, Sichuan Province, is located in the northern margin of Sichuan Basin, the low foothills of Dabashan Mountain, the hilly area of Zhongshan, and the southern end of Guangyuan City, between 31 °37 degrees north latitude and 32 °10 degrees east longitude. The area covers an area of 2346.46 square kilometers. Cangxi County is a subtropical humid monsoon climate zone, with rich heat, abundant Rain Water, long frost-free period, mild climate, four distinct seasons, long winter and short summer, longer spring than autumn, with the climatic characteristics of "cold mountains and thick spring at the bottom of the valley". As of 2018, Cangxi County has jurisdiction over 24 towns, 15 townships, and 3 township-level units under the jurisdiction of the county government in Lingjiang Town. By the end of 2018, the total registered population of Cangxi County was 758400. Cangxi County was called "Qin long Lock key" and "Shu Bei Ping Fan" in ancient times.