Large Sinkhole In A Dam Lake On The Highlands Stock Photo

Large sinkhole constructed as a water spillway at the Covao dos Conchos dam lake on the highlands of the Serra da Estrela. The highest mountain range in continental Portugal, with astonishing scenery europe beiras vacation travel tourist landscape romantic bucolic countryside rustic bush meadow sward green tranquility hill ridge slope ground boulder stone flinty sunny ravine craggy charming terrain reservoir loch shore thicket nature escarpment fresh crystal clear rock drain pit waterfall funnel duct