Thanks so much for the review. We're so glad that you enjoyed the tour. I promise that we don't aim to be confusing in pointing out that our guides are historians. What we mean is that we only offer guides with PhD or MA-level humanities educations. Liza has a doctorate in Italian and Portuguese Literature at the University of Salzburg as I mentioned in the guide bio that we always send to clients before your tour so that you know your guide's background. Our belief is that guides who have the passion to achieve academic degrees in humanities subjects bring a whole extra level of research skills and depth of knowledge to their touring even than their colleagues who have only obtained a guiding license (although that's quite rigorous in Austria and takes an additional 2 years of study in its own right). That's all we mean to imply by historian, someone who has researched and written enough to earn a humanites PhD or MA and brings that depth to their touring. Again, thanks so much for the review. We appreciate so much, especially at this rough time for travel. We hope to see you on Insight Cities tours again in Berlin, Prague, Vienna and Budapest.