Dusk slowly thickened, carefully and quietly throwing a blanket of night over the falling asleep earth. But the silence is deceptive. A gray eagle owl, hiding deep in the crown of a lonely tree on the river bank, silently fell from a branch and darted like a shadow over the water. What scared the night bird? As soon as she took refuge in a crevice in the coastal rocks, the thick fog at the edge of the forest swirled in alarm. From its gray veil, the silhouette of a man emerged like a dark ghost.