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.
Gannan Tibetan Autonomous Prefecture is an autonomous prefecture under the jurisdiction of Gansu Province, located in the southwest of Gansu Province, located in the northeast edge of the Qinghai-Tibet Plateau and the western part of the Loess Plateau, with high terrain in the northwest and low in the southeast, and has the characteristics of continental seasonal climate. The city has a total area of 38521 square kilometers and has jurisdiction over seven counties and one city, with a total population of 742300 in 2017. In Gannan Tibetan Autonomous Prefecture, there are Gahai-Zecha two national nature reserves, Lianhuashan and Yeliguan National Forest Park, as well as dozens of beautiful natural scenic spots such as Sangke grassland, the first song of the Yellow River, Dayugou and so on. There are 121 Tibetan Buddhist monasteries, including Xiahe Labrang Temple, Zhuoni Zen Temple and Luqu Langmu Monastery, which are protected by national cultural relics. There are more than ten revolutionary historical relics, such as the natural insurance Lazikou and the ruins of the Russian conference, which have the experience of the long March of the Red Army.