The "What happened there?" game.

[Moosemanmoo]

Well to cheer people up, I will give you a new picture, and the question with this one is:

What did the Carthaginians have in mind when they tried to execute this plan? (Note that this was EB1.0)

Spoiler Alert, click show to read: 

Complainer: Yes I posted this earlier, but I don't think everyone here had marvelled at it.

~Fluvius

I actually burst out laughing lol
No idea to be honest, was there a town under siege by carthage close enough to reinforce the garrison?
If its key to v1.0 then I won't know, as I started playing 1.1