Answer:
I run around the city, but I never move.
Soldiers line up spaced with pride. Two long rows lined side by side. One sole unit can decide, if the rows will unite or divide.
What is as big as you are and yet does not weight anything?
It has no top or bottom, but it can hold flesh, bones, and blood all at the same time.
Without this, eating food and Steven Spielberg's career would be very different.
Before Google, we actually had to physically look things up in this building full of knowledge.