Only 8% of people have managed to find the mystery that is hidden in this photograph

There are plenty of photos of optical illusions on the Internet that challenge us and this is one of them.
Although it seems simple, but is quite problematic clearly known how many bars are in. Besides being problematic in the count bars, after several attempts caused one eye fatigue.

However, the attempt to find the rods are: If you watched from the front it appears to be eight bars, but if you watch then turn out to be seven and that's where the problem lies.

In fact, in this file they are only six rods, if you look at the top five are photography, but all this thanks to what some of the lines do not form a full bar.

What has made people mad it was that after several attempts, each time had different numbers of poles