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.
Xuchang, a prefecture-level city under the jurisdiction of Henan Province, also known as Liancheng, is located in the central part of Henan Province, one of the core cities of the Central Plains Urban agglomeration and the Central Plains Economic Zone; the terrain is high in the northwest and low in the southeast, slowly tilting from the northwest to the southeast; it belongs to the north warm temperate monsoon climate zone, rich in heat resources; it has jurisdiction over 2 districts, 2 county-level cities and 2 counties, with a total area of 4996 square kilometers; the permanent population is 4.4374 million in 2018. Xuchang is located in the Central Plains with a long history and is an important birthplace of Chinese culture. Xuchang ancient culture tourism resources include prehistoric culture series, Han culture series, three Kingdoms culture series, temple architecture culture series, Jun porcelain culture series and so on. Xuchang has convenient transportation, 80 kilometers away from the provincial capital Zhengzhou, 50 kilometers away from Xinzheng International Airport, 311 National Highway and local railway crossing east-west; Beijing-Guangzhou Railway, Beijing