Design an outdoor terrace within a natural ice cave structure located in Antarctica, using the cave's ice formations as the primary material for the walls, floor, and ceiling. The terrace should open towards the exterior, offering a breathtaking view of the surrounding frozen landscape, including ice formations and frozen waters. Preserve the natural texture and translucency of the ice, allowing natural light to filter through, creating a serene and ethereal atmosphere. The design should feel like an extension of the natural environment, blending seamlessly into the icy terrain while providing a functional and inviting space for relaxation. Incorporate subtle and minimalistic furniture elements that complement the cold beauty of the environment without overpowering it, ensuring the view and the natural ice surroundings remain the focal point.