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"I found CityWalk Reykjavik's free two-hour walking tour to be a great way to get oriented — they run daily at 10:30am and 1:30pm, have been operating since 2014, and the local guides mix Icelandic history, lesser-known facts, and humor while pointing out overlooked parts of town and offering money-saving tips for this expensive city; the tour is technically free but you should tip your guide what you think it was worth." - Matthew Kepnes