Looking at the fourth and final city called Armilla, I can instantly image what it must have been like to walk through such a desolate place. The discretion might lack in a inspirational sort of way as there isn't much to draw from it. But there are ways in which this can be used to make plenty of thumb nails. I did struggle a little - tablet malfunctions mainly but I managed to create a thumbnail set in response to the description provided.
The cities Baucis and Esmerelda images will be coming in post tomorrow as I wasn't able to save them properly to be able to access them on multiply computers.
So here is Armilla:
|Armilla - Invisible Cities|