Kastellet was constructed involving 1662 and 1725 and was a cornerstone of King Christian IV’s defenses of Copenhagen. It continues to be in use by the military and inside there are lengthy, crimson brick, slate-roofed buildings, a parade ground, and also a Dutch-fashion windmill. Certainly, it can be. Copenhagen is https://econopass.com/travel/10-must-see-and-do-in-copenhagen/