We've all had an imaginary friend at some point of time or the other. A friend who listened to us, who cared for us & who played our silly, little games with us. Just like this little girl. But for some strange reason, her parents admonished her for having this friend.

Horror never has to be all about screaming and shouting. Sometimes, all it takes is a calm, creepy photograph to give us the jitters...

Source: ebaumsworld

...Or maybe something as simple this vintage photograph. Mind you, it's not fake.

Source: Jacopo della Quercia

Like I said, it doesn't take a super-human effort to scare us.

So check out this haunting video by Mariano Cattaneo to find out why some people must never be angered. And make sure you show this video to that shadow that has been staring at you for the last 20 minutes as well.