Fort of Ma Ferramenta - The Fort of Ma Ferramenta (Portuguese: Forte da Ma Ferramenta) near the port of the civil parish of Sao Mateus da Calheta municipality of Angra do Heroismo along the southern coast of the Portuguese island of Terceira in the archipelago of the Azores. Located in a dominant position over this coastal stretch of coast that sheltered anchored ships it was a fortification used as a defence against attacks from pirates and corsairs that frequented the waters of the mid-Atlantic. Given a choice of categories company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work, the text refers to which one?
A:
Building