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.
Linze County, which belongs to Zhangye City, Gansu Province, is located in the middle of Hexi Corridor, Gansu Province, between 99 °51-#39;-100 °30-#39;, 38 °57-#39;-39 °42-#39;. It is bordered by Ganzhou District, Zhangye City in the east, Gaotai County in the west, Qilian Mountain in the south and Sunan Yugu Autonomous County in the south, and Alashan right Banner in Inner Mongolia Autonomous region in the north, with a total area of 2729 square kilometers. As of 2010, Linze County has jurisdiction over 7 towns, a total of 71 administrative villages, with a total population of 150294 (2013), including Han, Hui, Tibetan, Mongolian, Yugur and other 11 ethnic groups. In 2017, Linze County achieved a gross domestic product (GDP) of 5.15 billion yuan, compared with 2016