FREE TOUR HEROES with Zippy Tour Comuna 13

This week, in the third instalment of our Free Tour Heroes series, we are in Medellin, Colombia, with Zippy Tour Comuna 13. The awards honour the best free walking tours around the world each year, based on the feedback, reviews and ratings of users, and it was Graffiti Free Zippy Walking Tour Comuna 13 that was awarded the top spot for the best free tour in South America.