Fluorescing coral off the coast of Palau (© Norbert Wu/Corbis)
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- Some do it in ultraviolet light, others in natural light.""Either way, it makes for some crazy photos
- Take a break from snorkeling and look at life on the land.""We\re in a tiny island chain
- Coral is, almost literally, the foundation of the islands where this photo was snapped.""In 2006, islanders rose to the challenge of preserving the reefs
- Babeldaob, the largest island in this chain, hosts some strange man-made features…""Possibly dating back nearly 2,000 years
