Introduction to the Unification of the Great Yuan Dynasty: "The Prodigies of the Prairie" are divided into "The Rise of the Nation-the Gradual Development from Clan to Tribe", "The Universe of Felt Accounts-The Grassland Empire Created by Genghis Khan", "The Unification of the Great Yuan Dynasty-Aoli" The five units of "The World Power in the East", "The Northern Dynasty Galloping in the Great Wall - the Xiongzhi Grassland", and "Ping Fan Shuo Desert - the Great Wall of Northern Xinjiang Forged with Blood" tell the story of the tortuous and magnificent development history of the Mongolian people.