Complex sentence: A large fortified "bastida", a wooden tower commanded by Iñigo López de Orozco, was built facing the Puerta del Fonsario, and from this tower missiles could be fired over the city wall.
Split into simpler sentences: A large fortified "bastida", a wooden tower, was built facing the Puerta del Fonsario. From the tower, commanded by Iñigo López de Orozco, missiles could be fired over the city wall.