incomplete art, poorly defined tunnel, unrealistic optical effects, chaotic composition, lack of details, bad lighting, unclear concept, awkward perspective, low-quality execution, uninspiring, unimpressive, cluttered background, lack of focus, unprofessional, distorted elements, disconnected design, misshapen, confused, poorly rendered, distracting artifacts, lack of depth, bad perspective, unrecognizable scene, disarrayed, blurry, bad shadows, chaotic, discordant.