alien planet, dark night sky, (glowing energy lines:1.5), (art by Syd Mead:1.8) (art by John Berkey:2), above a circular colosseum, triangular geometric features, cracked stone, cobblestone, molten lava river, solar punk, blue plant life, violet stone, cold color palette, muted colors, detailed, 8k, art by h.r. giger