Do Not Disturb

Before I reached Mount Bromo, East Java, in 2008, I captured this interesting image. Carefully looking at this image, I realize it is very simple. Dots,lines,shapes and colour are the main elements of this image. The most important among all, is the happening within the split of second.
Recently, at the SJII Photo Auction and Photo Contest (Feb,2012), I was asked why my choice of the top award is an image that is very simple. I think this image shown here illustrated well the importance of simplicity in imaging.