Tarragona is a city that’s proud of its numerous traditions and tocar ferro (“touching iron”) is one of the most popular. It simply means crossing the Rambla Nova until you reach the Balcó del Mediterrani and touch the iron railing which is on top of what was once the stone extraction quarry used by the Romans during their time in Tarraco. For many of the people of Tarragona, it is an everyday habit to walk along the Rambla and go touch iron at the Balcó del Mediterrani. This fact implies strolling…