The background or place is a desert, You can only see the sky and the orange san

The background or place is a desert, You can only see the sky and the orange sand, In the middle, ON THE FLOOR, There is a cube of a dark material (smoke grey) more or less shiny (as metallic) about 15 meters high and wide. In the middle there is a rounded opening (like a semi-pointed arch) where a staircase is seen entering the cube. Next to the bucket is a wild horse (same colors as spirit the horse) standing on 7 flowers of different colors. In the sky directly above the bucket and horse you can see a storm with lightning with a cold but relaxed aura.