The 3,000-year history of civilization has left countless relics on China's ancient and vast land: communes and villages created by the ancestors, ancient battlefields where heroes competed for the throne, the Great Wall stretching thousands of miles, miracles of water conservancy projects, majestic palaces and city walls in ancient capitals, and Complex towers and bridges, magnificent art world in ancient tombs, exquisite carved murals in grottoes and temples, hometowns and old residences of cultural celebrities in the past dynasties, poetic and picturesque classical gardens... all are superimposed with imprints of ups and downs, condensing generations the wisdom of the people.Although the existing cultural relics are only a small part of the 3,000-year civilization, they are enough to glimpse the great contribution the Chinese nation has made to world culture.If one goes back to the source of history and browses the places of interest and historic sites across the country in the order of dynasties, what is displayed before one's eyes is a living history book, and the lessons people receive cannot be obtained from any book.