What did you use for the grass on the roof and beside the building?
It looks very realistic, much more real than most modelling grass!
It is of the herb for designer.
Fibers are bigger and stuck on a net.
I bought it about ten years ago, in the lounge(show) of the model (door from Versailles to Paris). I believe that it is about the mark JPP, but I think that since the time, we must be able to find in department stores of modéles. there it seems to me that the mark " Busch " in fact also.