Strolling in the ancient city of the medieval, as if crossing the tunnel of time and space, stepping into a mysterious and magical world. The ancient buildings, towering city walls, and narrow streets of these cities exudes a strong magic atmosphere, which makes people involuntarily immerse in history and legends. In the squares of these cities, traditional markets and celebrations are still retained, reminiscent of those myths and legends. The ancient city of the Middle Ages is a testimony of time. They carry the memory and history of human civilization, and also make us realize that the world we live is so mysterious and beautiful.