We take a lot of things for granted when it comes to what we see and hear or emotionally bond or respond to, such that our interpretation of what we thought we have seen or heard or have reacted to can be completely shattered by learning of others views of the same landscape picture.
For instance, you can look at a tree in a dreamy way and see a face or even a whole phantom waving and lurking in the trees. But someone else will see it as a completely different face or phantom, it may be vomiting or screaming, or not even be a face or phantom at all from their perspective.
Some psychologists will say we are trained to see human faces from birth, and thus will see faces in some abstract features of our environment. Or perhaps our parents shoved their faces in front of us so much as babes & infants that we can't get their images out of our heads and we paste them onto our environment.
How much of our lives are lived as misinterpretations of what is there, and how much of what we see is real?