Invisible Is Better: When Sustainable Solutions Blend Into The Landscape

Each year over 3.5 million tourists from all over the world visit Pompeii to admire the ruins left by the eruption of the Vesuvius that, in 79 AD, engulfed it together with the nearby city of Herculaneum. Some of them might have bumped into the sheep which have been recently introduced to mow the grass in the archaeological...