blauer Himmel, blue sky, Europa, Europe, Reisen, Reise-Fotografie, travel-photography, Vacation, Stadt, town, Tourismus, Tourism, Reisefotografie, Urlaub, Altstadt, old town, city, Architektur, architecture, Kulturgut, culture, Sehenswuerdigkeit, landmark, place of interest, Oesterreich, Austria, Wien, Vienna, Hauptstadt, capital city, Tulpen, tulips, Fruehling, springtime, travel, Blumen, Flowers, Walzerkoenig, Walzer, waltz, valse, Denkmal, memorial, monument, Statue, Hochformat, vertical, upright, portrait format