I think this is one of the best projects that I have seen lately (if not the best). All the attention to the detail, the concept... really marvellous.
Very inspiring and lot of things to learn about making scenery... Your Lost World game last year inspiring me to try to improve all the scenery for my games (of which I post some pictures lately). Looking at this I think is even better.
In fact, my gaming group and I have been looking to go to Tactica this year from Spain, but we have not found reasonable flight prices from Mallorca (somethig rare, on the other hand). Maybe next year...
Thanks for sharing your projects.