Yes, the blue iceberg above is real and not a CG render. Why? Well, in older icebergs, like this one, all the air gets compressed out, and since water preferentially absorbs light at the red end of the spectrum, blue light is left to pass through. Click here to view the first image in today’s viral picture gallery. Continue reading to see a video of a large blue iceberg flipping over, captured off the coast of Argentina.