Islands can be volcanic, continental, coralline, sedimentary, fluvial and artificial. There are islands in the rivers, lakes, seas and oceans. They are formed by separation or emergence. The islands could be prototypes of the world in the world. Also places where we deposit dreams, desires, fears or loneliness. Islands are spaces surrounded by water, a medium that we cross to reach or escape from them. The insulator, shown here in blue.