An ultra realistic, 8k,  There is a slow-flowing river with dam. To the right of the dam, down to the shore along a slope covered with bright green grass, there is a wood observation deck. From the observation deck the slope further descends to the water. The shore near the water is lined with sand. On the shore not tall trees, flowers. The water in the river is blue and calm. Sunny day, blue sky. The observation deck and the shore are on the right side of the picture. View from water, low angle. focus on observation desk.