Awesome! I had been working on a similar project couldn't figure out the snow on the trees for the life of me! It's great to see how you approached it. The work look great! Thanks for sharing your process.
I believe author would be surprised that it's not american, but soviet bunker :)
The Foundry Sessions Creating Sci Fi with MODO
This Foundry Session talked about working with science-fiction. The discussion was held by concept artist Fred Gambino and CG artist Henning Sanden. They touched upon such topics as their sci-fi skills and projects.