Merfolk in the Lost City of Atlantis, very colourful, underwater, highly detailed, artstation, intricate, smooth, sharp focus, bright, happy, illustration, art by Artgerm and Greg Rutkowski and Alphonse Mucha and Yuumei, good clear quality, lighting, biology, symmetrical artwork, perfect face, 135 mm, cinematic, hyper realism, dark, moonlight, high detail, octane render, 8k, crimson highlights