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A cave with a light shining through

The image features a dark, underground cave with a river running through it. The water appears to be a deep, rich green, and the cave walls are covered in moss and lichen, giving the scene a mysterious and ancient feel. The light shining through the cave entrance casts a warm glow on the water, creating a serene and peaceful atmosphere. The river itself is lined with various rocks and boulders, some of which are partially submerged in the water. The water appears to be crystal clear, allowing for a glimpse into the underwater world. The cave itself is a maze of twists and turns, with some sections appearing more open and others more confined. The overall effect is one of wonder and awe, as if the viewer has stumbled upon a hidden world beneath the earth's surface.