I like to do these tours when in a strange cty and love the trolley ones. Unfortunately, this trolley turned out to be a bus 🤨 We found out later there had been a problem with the trolley which cannot be helped. However, if we had been told at the start of the tour, I would have understood and been happier.
The guide was not that good and kept checking with the driver. I am not sure whether it was the driver going too fast past landmarks or her missing them. By the time we were told what they were, we were passed them. I also found the tour boring at times. There are only so many grand houses (turned into offices) I can look at.
All-in-all, disappointing.