The Church of Nikolai, built in the 13th century, is now the Arts Centre of Copenhagen. When I first saw this church, I felt very familiar. It seemed to be very similar to the tower of Christianburg Palace. I compared the photo for a long time and saw that the balls in the middle were different. The balls above Christianburg Palace were golden, but Nikolai Church was still very spectacular. There is a small children's amusement park on the side door, which is quite characteristic