Copenhagen is the largest city and port in Denmark. It is also the political, economic, cultural and transportation center of Denmark, and the largest city in Northern Europe. Denmark has also had a glorious history. Parts of Norway and Germany have been ruled by Denmark. Even earlier, Britain was also a part of Denmark. Copenhagen has many old medieval buildings, and it is also at the forefront of modern times. On one hand, it has a modern and modern style, and on the other hand, it has an ancient historical tradition. It is a veritable historical and cultural capital in the world. The City Hall Square is located in the center of Copenhagen and has a history of more than 800 years. The central building of the square, the City Hall, has been burned down many times. The current building was built in 1905. It combines the styles of ancient Denmark and the Italian Renaissance. It is mainly used for wedding ceremonies and official receptions. The gilded statue above the main entrance is the founder of Copenhagen-Archbishop Absalon. On the left side of the top of the City Hall is a 110-meter-high bell tower, and above the bell tower is the famous "World Clock". When most people mention Denmark, the first thing that comes to mind is the man who accompanied us throughout our childhood - Andersen. Andersen is the "sun of world children's literature". From "The Little Match Girl" and "The Ugly Duckling" to "The Daughter of the Sea" and "The Princess and the Pea", he has woven a colorful fairy tale world for countless people. Denmark is also synonymous with the fairy tale world, and even the entire City Hall Square in Copenhagen has a fairy tale color.