This eerie photo was taken during a public tour of Windsor Castle in the UK, a royal residence that’s long been rumored to be one of the most haunted castles in the country, with over two dozen reported spirits said to roam its corridors. The photographer—described as a royal fan but not a believer in the paranormal—noticed a strange white “flash” in their viewfinder while taking pictures inside. When they later checked their shots, they were stunned to see what appears to be the faint figure of