Prompt: ultra hyper artistic realistic fantasy alien landscape drawing black and white 3D vector line for a coloring book of a alien cliffside city built into the cliff walls, river running through the valley,, centered, symmetry, painted, intricate, volumetric lighting, beautiful, rich deep colors masterpiece, sharp focus, ultra detailed, in the style of dan mumford and marc simonetti, astrophotography
Negative prompt: out of frame, words, logos, tunnel