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.
Ningqiang County is located in the southwest of Shaanxi Province, with Qinling Mountains in the north and Pillow Mountain in the south. The county has jurisdiction over 16 towns, 2 subdistrict offices and 200 administrative villages with a total population of 340000. Ningqiang is located in the confluence of the Qinling Mountains and the Bashan mountain system, with high in the southeast, low in the northwest and Wuding Mountain uplift in the middle. Ningqiang has abundant rainfall and humid air, and most areas have a warm temperate mountain humid monsoon climate with strong precipitation, with an annual precipitation of up to 1812.2 mm. Ningqiang County is a mountainous county with the confluence of the north and the south and the belt of Shu. It is the main gateway and golden passage from the northwest to the southwest. Baocheng, Yang'an Railway across the county, 108 National Highway, Western Han Expressway passing through; is the birthplace of the Han River, known as "the first city of the Han River" reputation, in November 2015 Ningqiang County was China