You shouldn't trust your eyes all the time. What I mean by that is your visual perception of things isn't always correct. The eye evaluates everything it sees in relation to 3D space; so sometimes our mind can play tricks on us. Japanese professor Kokochi Sugihara recognizes that playing with depth and angles can fool the human eye; and thats just what he did. He created a series of optical illusions that are mind-boggling. Check them out below and prepare for your mind to be tricked.