Introduction to the Round Tower: The Round Tower is located 300 meters north of krystatgade street. It was originally built in 1642 during the reign of Christian IV. King Christian IV was committed to turning Copenhagen, the capital of Denmark, into the most beautiful and important metropolis in Northern Europe. The Round Tower was built to form a comprehensive building complex for Trinity Cathedral, library and astronomical drinking platform. , the round tower is not only the main entrance of the church, but also used as an astronomical observatory. It is also the entrance to the university library built on the top floor of the huge church. The stubby round tower is equipped with a red dome that strikes the time every quarter of an hour. The horizontal church bell towers set off and complement each other, fully reflecting King Christian IV's profound attainments in architectural design.
The round tower is 36 meters high and 15 meters in diameter. There is a spiral passage in the tower leading to the top of the tower. When you climb to the top of the round tower, you can overlook the whole city of Copenhagen. In 1716, when the Russian Tsar Peter the Great visited Copenhagen, he met with his queen Katrina. Climb to the top of the tower.