An information sign, triangular in shape with white, yellow, and green panels, is mounted on a weathered wooden frame

An information sign, triangular in shape with white, yellow, and green panels, is mounted on a weathered wooden frame. The sign provides explanations in multiple languages (including English, Spanish, and Basque) about geological formations. The upper section features a cartoon illustration of a person eating a sandwich, accompanied by text describing a "sandwich" type coastline. The middle section contains three sequential diagrams illustrating environmental changes, likely related to land and water interaction. The lower section details "A SMALL MARSH." Several logos are visible on the middle-right of the sign. The wooden frame supports a dark-colored, square-grid wire mesh fence that stretches across the entire scene behind the sign. In the immediate foreground, a wooden planked deck is partially visible. Beyond the fence, a wide expanse of well-maintained green grass, indicative of a golf course, stretches towards a distant line of verdant hills under a clear, bright blue sky. A solitary white building with a dark roof is visible among the distant landscape on the right. Strong sunlight illuminates the scene from the upper right, casting sharp shadows from the wooden structure and fence onto the sign and the foreground deck. The scene is located in Zarautz, Spain.