central market square, karlsplatz with heidelberg castle in city heidelberg, baden-wuerttemberg, germany. europe

activity alley architecture avenue baden badenwuerttemberg boulevard building cars castle central city district domestic downtown facade germany heidelberg heidelberger hotspot house karlsplatz lantern lifestyle lights local main market neckar old pedestrians people place road scenario schloss schwabia sightseeing square street tourism tourist town traditional traffic travel typical unesco urban view