Inside remains of the Millers cottage nestled between the three derelict windmills of Mosquera. The windmills and cottage stand on the Cerros Altos (Altos Hill) near the hamlet of Mosquera, Albufeira, Algarve, Portugal.. The windmills stand on the Cerros Altos (Altos Hill) near the hamlet of Mosquera, Albufeira, Algarve, Portugal.