We're rebuilding the Inner City now. It'll have tiered terraces, so technically it'll be flat, but those Oragossi may have been powerful, but not enough to flatten it completely. So far we've flattened a third of the inner city and we've got five terrace levels and a total height difference of 150m. One advantage of this is that we'll be able to make the Old Kingdom Foundations more natural-looking.

@WilsonTurner: We didn't see your question till now. We're using Sketchup.