Not everyone has the privilege to dive and explore the alien world of the oceans.
Let me get you underwater and show you some of the wonders hidden beneath the waves.
Stay tuned to get more!
This slideshow may help you to understand what a coral is.
It is a colony made by hundred of tiny animals gathered together. Those animals are called polyps, and they are very simple organism, strictly related to jellyfish, consisting mostly of stomach and a mouth surrounded by a circle of tentacles.