Vertical video, Aerial pullback from Mourão Castle with scenic Alqueva lake in Background, Alentejo Countryside

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