THE BABUSHKA LADY
In all the videos of the parade that ended up with the assassination of John Fitzgerald Kennedy, you can see a woman wearing a babushka and filming the whole situation and probably the killer. Even after the events, when the witnesses had cover themselves, she is seen walking and filming as if nothing happened. She was never identified.
Also known as Nafa Fireball, the Mekong lights are a natural phenomenon that can be sometimes seen on the Mekong River, in Thailand. It consist in what looks like fireballs getting out of the water and disappearing in the sky.