the tour guide gave out duck quakers to all the children. we just happened to have obnoxious children behind us with no parental supervision. They blew these duck whistles continuously...leaning forward right into our ears. We asked them to stop repeatedly but the driver encouraged it. This went on for an entire hour. I was only able to hear the first half hour of the tour before these wretched whistles were distributed. on top of that their 100% satisfaction guarantee is a lie. I contacted them about my experience and they never responded.
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