What is this image about?
Nelson Mandela.
What is this image about?
Man on the Moon.
What is this image about?
Martin Luther King.
What is this image about?
Pale blue dot.
What is this image about?
Nuclear explosion.
What is this image about?
9/11
What is this image about?
Model T Ford car.
What is this image about?
One of the first PC's.
What is this image about?
Fall of Berlin wall.