What do the pillars represent?

The pillar is the bridge between HEAVEN and EARTH, the vertical axis which both unites and divides these two realms. It is closely connected to the symbolism of the TREE; it also represents stability, and a broken pillar represents death and mortality.

Explanation:

“the iliad” (gr: “iliás”) is an epic poem by the ancient greek poet homer, which recounts some of the significant events of the final weeks of the trojan war and the greek siege of the city of troy (which was also known as ilion, ilios or ilium in ancient times).