Initially i wanted to make a desert semi abandoned fortress complex, but the theme was too bright. Then i came across some pictures of moorish fortresses from Spain (Alcazaba), and i liked the combination of green vegetation and stone walls repaired with brick plus a touch of old plaster. Also i think that a bit of blue ocean adds a better contrast to those yellow/brownish and red walls. In the same time i started to make my own props: arches, windows, stairs, etc. I will refine the cliff displacements more while trying to avoid that nasty bug (player getting stuck in them), maybe i will add some rock/cliff props where needed.
Anyway, i'm in no rush to finish it. For now i'm focused of improving my prop making skills, gives me so much freedom.