A mesmerizing scene of nested realities unfolds: a vibrant, bustling cityscape sits under a shimmering dome, encased within a larger, sprawling natural landscape of forests and rivers, all contained within a colossal crystal glassbowl, crafted with Unreal Engine 5 precision. The inner city glows with neon lights and futuristic architecture, while the surrounding nature teems with life, each leaf and ripple captured in hyper-realistic 8k detail. Above it all, the glassbowl refracts light, casting prismatic shadows that dance across the intricate worlds within, inviting viewers to explore the stunning layers of this epic, immersive universe.