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.
Longzhou County, a county under the jurisdiction of Chongzuo City, Guangxi Zhuang Autonomous region, is located in the southwest of Guangxi, 200km away from Nanning, Jiangzhou District of Chongzuo City to the east, Ningming County and Pingxiang City to the south, Daxin County to the northeast, and Vietnam to the northwest. it is rich in heat, abundant rainfall and sufficient sunshine, with a total area of 2317.8 square kilometers, five towns and seven townships, with a total population of 272287 in 2017. Longzhou, an important border defense town, is a famous historical and cultural city of border trade with many years of history, with Shuikouguan in the west and Pinggeguan in the southwest. In the fifteenth year of Guang Xu (1889), Longzhou was established as a land trade port, which was the earliest trade port opened to the outside world in Guangxi. Longzhou is the revolutionary resort of Zuojiang led by Communist Party of China. On February 1, 1930, in Li Mingrui and Yu Zuoyu