Ultra-realistic illustration and highly detailed digital render of a panoramic view in a dark underground cavern abundant with large and colorful crystal deposits reminiscent of works by Greg Rutkowski and Thomas Kinkade. Featuring vibrant, vivid crystal structures, smooth surfaces, and mesmerizing gems within a geode setting. This scene is characterized by dramatic darkness, rich mineral deposits, and a cinematic feel achieved through high contrast and HDR effects, all rendered in stunning 4K quality. Showcasing a magical and hyperrealistic aesthetic, the image employs bokeh and depth of field techniques for enhanced visual drama. While ensuring exceptional quality, avoid common pitfalls such as distortions, blurriness, and unrealistic proportions. The composition captures an enchanting yet mysterious underground world that sparks the imagination.