beautiful landscape of the kastellet, or the citadel christianshavn, in the city centre of copenhagen, denmark.

architecture attraction blue bridge building canal capital castle citadel city cityscape colorful copenhagen culture danish denmark destinations entrance europe european exterior fort fortification fortress gate grass green historic historical history house kastellet landmark landscape location military moat monument national nature nordic northern outdoor park red rural scandinavia scandinavian sightseeing sky summer tourism town traditional travel tree view village wall water