Mood: Mystical | Subject: A labyrinth of geometrically perfect, crystalline ice caves | Timing: Midnight, when the aurora borealis casts a spectral glow over the landscape | Lens: Wide-angle | Lighting Conditions: The ethereal, shifting lights of the aurora borealis casting an otherworldly glow on the ice caves, highlighting their shimmering facets | Style: Fusion of natural wonder and abstract geometry | Colors: The cool blues of the ice caves contrast dramatically against the vibrant greens and purples of the aurora borealis | Background: A backdrop of a star-filled Arctic sky, adding depth and a sense of infinite space | Perspective: Ground-level, capturing the grandeur of the ice caves and their reflective surfaces | Focal Point: The entrance of the main cave, its geometric patterns creating a mesmerizing focal point | Space: Expansive, emphasizing the grand scale of the caves and the captivating allure of the scene | Pattern/Texture: The smooth, reflective surfaces of the ice caves contrasted with the fluid, dancing lights of the aurora | Element defining the scale: A solitary, frost-covered pine tree standing at the entrance of the caves, providing a sense of the scene's vast scale | Depth of Field: Deep, focusing on the ice caves while subtly blending into the aurora-filled backdrop | Feeling: Wonder and awe | Contrast elements: The mystical scene of geometric ice caves under an aurora-filled sky at midnight, its natural wonder and abstract geometry enhanced by the ethereal glow of the Northern Lights and contrasting textures.