I chose this particular booking because I needed to go in the morning and the other tours ran later. After booking I was charged in full and received many emails confirming my reservation, giving me details etc. I was really looking forward to it. Then on the day of my reservation, after receiving many notices where to be at what time, nobody came. When I called Viator, having gotten up early and stood outside waiting a half hour, I was told that Viator's drivers don't get up that early (8:30) and therefore none of the drivers picked up my reservation. I asked why I received a reservation confirmation and was never told that nobody wanted to take me at the offered timeslot. They said that's not how Viator does things. I really can't believe how bad Viator dropped the ball on me after all that positive communication and expectation. I wasted a lot of time and don't know how I could trust this company to show up in the future. The only positive is that I did receive a full refund, so at least that was not a problem.