Barcelona is a reasonably large town. You may stroll to many of the key points of interest. But, should you’re in Barcelona for 3 times, you’ll eventually end up wanting transportation. Take the metro or taxis. It’s a pedestrianized street, which makes it the right place for a leisurely stroll. https://www.triptales.me/unlock-barcelonas-hidden-treasures-secret-spots-you-cant-miss/