This design shows bomb (terrorism / war) and its after effects. It indirectly spreads the message that war in any form is devastating. We should focus on humanity and nature and their well being. We should have constructive mindset rather than being destructive.
Created with Adobe Photoshop CS3.
Another version; !http://images-2.redbubble.net/img/clothing/backgroundcolor:fafafa/bodycolor:red/size:large/style:longsleeve/view:preview/1674586-1-boom-power.jpg!