near the Inn of San Telmo. On the top of the hill, the cathedral (11th–13th century, and restored between the 15th and 19th centuries) preserves Romanesque elements in its main vestibule, and the Gothic period in the western vestibule. The town has two museums, one dedicated to archaeology and sacred art, and the other is the diocesan museum. As a frontier fortress the town played an important part in the wars between Portugal and Castile. Economic and productive activity Industry in the city of Tui is gradually gaining weight, as with the construction of industrial estate areas, many national and international companies have established production facilities there. Yet the industry is not more than 20% of GDP in the city. Construction, one of the fastest growing sectors of Tui, estimated at 4.2% in 2005. The trend shows an increase in residential construction, driven by the slight slowdown in the increase of the cost of living. Tourism Although Tui is just north of the border with Portugal, a shortened version of the Portuguese Way of the Camino de Santiago commences there, and as the distance is , this walk is long enough for pilgrims to obtain a pilgrim's certificate. Politics References Municipalities in the Province of Pontevedra Portugal–Spain border crossings