Some of the Strangest Things on Earth That Are Only Found in the Deep Ocean

What Lies Beneath the Reef’s Twin

The Great Barrier Reef’s twin is about 150 feet below the water, so there aren’t a lot of people who have actually witnessed this natural formation of algae rings in all of its glory. However, research reports indicate that they may look like plain white limestone flakes or an underwater field with a “lush, thick veneer of living green.”