City view with traditional Tuscan buildings with Cathedral above, at sunset, Siena, UNESCO World Heritage Site, Tuscany, Italy, Europe

siena tuscany cathedral sunset city view traditional buildings unesco italy europe historical architecture landscape travel tourism skyline evening light scenic view cultural heritage cloudy sky horizon ancient buildings hilltop city nature urban landscape medieval structures picturesque architecture warm colors green hills charm beauty vibrant sky sunlight italian countryside historical sites landmarks heritage site tourism destination travel guide cityscape serene peaceful exploration breathtaking view colorful clouds historical landmarks art history urban exploration