The Round Tower in Copenhagen, Denmark, is a 17th-century tower built as an astronomical observatory. It is most noted for its 7.5-turn helical corridor leading to the top. It offers expansive views over Copenhagen.
The Round Tower in Copenhagen, Denmark, is a 17th-century tower built as an astronomical observatory. It is most noted for its 7.5-turn helical corridor leading to the top. It offers expansive views over Copenhagen.