Prompt
"Generate an image of a serpentine stone and turf fortification wall snaking across a rugged, rolling landscape of northern England, with a few scattered trees, under a moody sky; in the distance, a few towers and fort structures are visible, with a notable gap featuring a solitary tree; include some Roman-era architectural details such as milecastles, turrets, and forts; style: a realistic landscape painting, reminiscent of a watercolor illustration of a historic site."
