rundetårn, round tower is a 17th-century tower located in central copenhagen. it is part of the 17th century trinitatis complex

17th 17thcentury architectural architecture astronomical attraction beautiful blue brick building capital central century city color colorful complex copenhagen danish denmark europe exterior famous historic historical landmark located observatory oresund outdoor outside part round rundetaarn rundetarn rundetayen rn scandinavia sightseeing street sunny tourism tourist tower town travel trinitatis urban vintage windows