Bronze Age rock carving depicts a Mediterranean style boat. Above: A graphic representation of the Auga dos Cebros petroglyph, showing the obvious boat feature at the bottom. This image is a screenshot of the same as depicted in the YouTube video (see below). =================================================================================================================== A unique petroglyph discovered near the Atlantic coast of northern Spain has provided evidence that contacts between ancient Atlantic cultures and contemporaneous cultures of the Mediterranean were earlier and perhaps more intense than previously thought. The rock art panel, located in the Costa dos Castros region and known as Auga dos Cebros, depicts a boat with...