Barcelona is a reasonably big city. It is possible to stroll to a lot of the key attractions. But, for those who’re in Barcelona for 3 days, you’ll at some point end up wanting transportation. Take the metro or taxis. Considered one of the reasons La Rambla is so famed https://www.triptales.me/unlock-barcelonas-hidden-treasures-secret-spots-you-cant-miss/