(By contrast, Slate 's assessment relies entirely upon sources who are not identified by name.)
The names and origin of Slate's sources are not known.
Slate relied on popular, well-documented sources for his assessment.
A man starting a campfire.
Billy and Reno sang a melodic line together.
A boy is falling into a pool of water.
A kid riding a scooter in gym.
A man flying a model airplane
There are images of women in the air as well.