Aerial orbiting view of Mourão fortress, Unique Alentejo landscape with Alqueva lake sprawling

aerial orbiting mourao castle fortress unique alentejo landscape alqueva lake sprawling visit portugal scenic mourao natural medieval no people castle calm background ancient fields peaceful panorama panoramic cloudy portugal horizon lake lakeside alqueva beach tourism meadow vacation drone rural scenery aerial view travel daytime scenery outdoors tranquil scene idyllic majestic portuguese river each alentejo natural background landmark historic countryside landscape