we are the source of sivilization on this planet. we built everything and we also break it all. the earth is nothing without we are. we create technology, there is no super computer without we are. But nowadays we also create pollution and break the atmosphere we also contaminate the sea with the waste we are create. in fact we built everything on this planet and at the end we distruct it. sometime the nature fight us with flood, storm, and anything else to stop the distruction on this planet.