There's no doubt that our brains like order - symmetry, self-repeating patterns, perfect alignments, and intuitive placement. Seeing such satisfying pictures pleases our mind and makes it easy to understand our surroundings. On the other hand, imperfections of flawed things cause us to pause and do a double-take, annoying the hell out of the perfectionist inside us. Now, if you are an OCD-prone person, scroll down carefully unless you wish to have a masochistic session looking at these pictures.