Rick Steve, I don't know how much you were paid to recommend these guys but the tour was terrible for following reasons:
-Not interesting and you can't see much of Vienna on bus. I did a self guided walking your after and saw much more.
-About one third of tour was spent in a small tourist rip off street; they drop you off here for 20 minutes to buy overpriced/low quality tourist knick knacks.
-Explanations were given by prerecorded audio tape; fine except audio was often out of sync with sights.
-Guide did not speak any English. I know this can't be expected but even trying to ask basic questions was impossible.
Go on a walking tour or look for another bus tour company.
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