The sea offers a unique window to the nature, and if you would want to see some of the most spectacular views of life under water, you should make time for some coral reef viewing. Sadly, most people are interested in seeing coral reefs, but they hardly know anything about the structures. Coral reefs are basically formed from carbon secretions and activity of tiny animals that have nutrients and live in the marine environments. Then there are polyps, which live together in colonies to make…