@munawar1235, there's really a tiny space between life and death; peace and war; nature and disaster..etc. There are little things that if changed on the ar we breath, we all die. Thats why man must be careful in dealing with the environment because all our actions have consequences.

Just a little salt water and the density of the water changes considerably to warrant sinking of ships and equipments. thank God they are alve to tell the story.