The four walls and the roof are done. The green will be painted black and fine ballast will be glued on top. I also ordered roof top units which I'll then install on the roof.
I've also been working on my platforms. The platform roofs were given it's first coat of paint and all the pillars are now done. The side of the roofs is a balsa strip which solidifies the strings on the roof. I will now be able to cut the strings under the roof. I will install hanging lamps later.