Aerial over Towers' Square park area with view of Tallinn Old Town Vanalinn

vanalinn tallinn walls of tallinn towers square st olafs church medieval walls unesco world heritage site towers old town margaret wall medieval defensive walls tallinn city wall estonia baltic skyline harju county reval medieval capital cityscape cultural hub city urban landmark aerial drone europe infrastructure architecture birdseye architectural attraction tourism travel ancient historic centre wall oleviste kogudus baptist church kesklinn historic toompea hill establishing tallinn old town republic of estonia toompea church