To begin with this series of post, I'll show you this small tower that can be found in Vilanova i la Geltrú. For those of you from outside Spain, Vilanova is a coastal village between Barcelona and Tarragona. It has a good harbour that with those of Palamós (in Girona), Sant Carles de la Ràpita near the Ebro Delta (in Tarragona) and of course Tarragona and Barcelona are the big ones in Catalonia.
During the Third Carlist War (1872-1876) people were scared of possible seaborn carlist raids and several defense towers were built. This one, called La Torre Blava (Blue Tower) or Torre de Ribes Roges is still present and fully reconstructed. It has several rifle pits on its top and i seems to have three different flors. During the Spanish Civil War was used as a watch tower in a defense line of bunkers and trenches.
It was never attacked.