Water cover near the 80% of the surface of our planet. But nowadays people investigated only 5% of the world`s water.
There must be a lot of interesting and valuable things lying on the bottom of seas and oceans because water was the only way for transportation of goods. As long as people are trying to explore the misterious underwater world they are making more and more discoveries. Some of founded things are not very old, but some of them are ancient. Both of them are very important for people because each of them can tell us some amazing historical facts. Today we are going to tell you about 21 the most estimable finds.