Indeed, there is some inexplicable satisfaction in cutting a cake into proportional pieces or coloring a coloring page exactly to the line. Well, some failed to do so, which is very annoying.
The natural world is enriched with natural symmetry, as well as the one who is man-made. After all, it is human body design symmetrical. When our brain detects symmetry, it is this feeling extremely pleasant for them.
It is the opposite asymmetry, which triggers a warning that something is not quite right. Some of us don't pay attention to it at all, while others get goosebumps. Looking at these photographs they will also be the 'most relaxed' silently shouted to themselves.
Image gallery - Nasty photos