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.
Hancheng is known as "Longmen", "Xia Yang" and "Shaoliang" in ancient times. Weinan City in Shaanxi Province is one of the important birthplaces of Chinese civilization and the hometown of Shi Sheng Tai Shi Company Ma Qian. At the beginning of the Western Zhou Dynasty, King Wu of Zhou sealed here, saying that South Korea, at the turn of the Spring and Autumn and warring States period, and King Zhou Ping, the son of Qin Zhong, was called Liang. During the warring States period, Qin established Xiayang County. Sui Kai Huang 18 years (598) home Hancheng County. It was changed to Hancheng City in January 1984 and was listed as an open city in Shaanxi Province in 1985. In 2006, it became the only city in Shaanxi Province that was awarded "China's Outstanding Tourism City" as a county-level city. In 2016, it was selected as the first batch of national global tourism demonstration zones. In 2017, it was selected as a national high-quality city demonstration city, the first batch of national food safety demonstration cities and national major municipal engineering leaders.