Answer:
This guy crossed a road and everyone wants an explanation.
The dirtier I get, the whiter I am. What am I?
I have roots nobody sees. I am taller than trees. Up, up I go but I never grow. What am I?
What is always coming but never arrives?
Before I grow I'm small. When I'm old I grow tall. When I die I give a mighty fall.
Whoever made me don't want me. Whoever bought me don't need me. Whoever use me don't know me.