The universe has its secrets. Extra dimensions of space might be one of them. If so, the universe has been hiding those dimensions, protecting them, keeping them coyly under wraps. From a casual(Cool Pictures To Draw)
Hidden inside this oil painting by Ukrainian artist Oleg Shuplyak lies a second layer of an optical illusion. At first this painting presents two birds but in reality is only one bird and a brach of leaves, Stunning!