Please answer the following question: The Fort of Pessegueiro Island (Portuguese: Forte da ilha do Pessegueiro) is a fort situated on the island of Pessegueiro off the coast of the civil parish of Porto Covo municipality of Sines in the southern Alentejo of Portugal. Given a list of categories: company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work, what category does the paragraph belong to?
A:
Building