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.
Zhongshan County, under the jurisdiction of Hezhou City, Guangxi Zhuang Autonomous region, is located in the northeast of Guangxi, surrounded by arched mountains, with high terrain, rich in light and heat, and abundant rainfall; it has a total area of 1472 square kilometers and has jurisdiction over 10 towns and 2 Yao townships; the total population in 2017 is 448500. Zhongshan County is located at the junction of Southwest China and South China Economic Zone. National Highway 323, Guiwu Expressway, Guiyang-Guangzhou Railway and Yonghe Expressway run through the county. It is the most convenient sea passage for southwestern China to enter Guangdong, Hong Kong and Macao eastward. Local specialties are Yingjia kohlrabi, Zhongshan tribute mandarin, safflower yuba, high-quality rice and so on. The main tourist attractions (spots) are Hetang Shili Gallery, Huashan Scenic spot, Zhongshan Yuanfeng, Shilong Shiqiao, Longdao ancient folk houses and so on. In October 2017, it was selected into the first batch of national experimental and demonstration areas for sustainable agricultural development; 1