"Clear water surrounds covered object with green algae."
A view down of clear water with a circular object under it. It is in the middle, near the left. It is covered in dirt and debris. It is gray. There are bits of dried leaves and twigs to the upper left of it. There are algae and some bits of dried leaves in the center of the object as well. A gray rock is on the right, near the bottom corner. It is covered in debris. The bottom is raised on the left, and there is green algae visible in the bottom left corner, with debris-coated rocks under it. A gray rock is on the surface at the edge of the water in the top left corner. More green algae is visible on the bottom, in the middle, at the very top.