[jgrowl]

Every civilization starts building a tower.

Those at the bottom bring supplies to the top and maintain it.

Those at the top are tasked with seeing what is coming and making Wise decisions.

Those at the top forget about the needs of the bottom and instead focus only on vertical expansion.

Eventually the summit grows taller than what the base can sustain.

Then the workers at the bottom abandon the base.

The tower left unmaintained, collapses.