the sand is being eroded by the water.

Prompt 1: depicts a vast, flat plain of dirt with a few trees in the distance, a water stream running through it, and a large, dark cloud in the sky. the scene is dominated by shades of brown and gray, with the trees adding a touch of greenery to the landscape.

Prompt 2: a flat, barren landscape with a few trees, a water stream, and a dark cloud in the sky. the dominant colors are shades of brown and gray, and the scene conveys a sense of desolation and emptiness.