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My dear friend Grazie suggested to me one fantastic and I think very helpful theme for the series: What to see and visit in Prague when you have only three days. This is my suggestion for the last day of the stay. I hope it will help and inspire you!
Weather is nice and you do not want to spend the lovely days inside or in the middle of the rushing crowd searching for some sightseeing spots. Then I have a lovely solution fo you: Picnic in Prague.