The extraordinary beauty of Santorini 's high walls , draped by whitewashed villages , combined with a sunny climate and perfect observation conditions , have made it a magnet for volcanologists , as well as a highlight of tourism in the Aegean .
The extraordinary beauty of Santorini 's high walls , draped by whitewashed villages , combined with a sunny climate and clear air , have made it a magnet for tourists and volcanologists .