This tip works for all kinds of tours: large group tours and private tours. Of course, if you are on a walking tour you’ll think about wearing comfy shoes, but even if you are on a chauffeured tour, it’s likely to be stops where you have to walk around either a site or a pedestrian area. Look for sneakers with cushioned soles and a nice grip. In the summer, sandals tend to have harder and thinner soles – so pay attention to what you pack and choose comfy ones. And if you are traveling in the winter, water-proof options are preferable because even if it doesn’t rain often in Barcelona, it’s never good to have your feet wet for as long as the tour goes…