The image posted really makes you wonder since it was taken in the middle of the day and clearly does not look to be some kind of light refraction. It also just happens to be taken in front of what is considered a haunted hotel…

Brown Palace Ghost

By Robert E. Brown

My wife and daughter were watching a Travel Channel special on haunted places in the US. The Brown Palace Hotel was one of the places that was documented on the program. We were going to Denver in June and my wife suggested that we check this place out. More on The Brown Palace Hotel