Time for some goldwork. For the building motif that forms a frame for the main design in the centre, I'm couching imitation Japanese gold thread no. 8, using bright colours for the couching thread.
Starting at the bottom, I'm using a nice bright blue - Madeira stranded cotton no. 1102 - for the couching:
Here's the bottom section:
The next level up is in red, no. 0211:
The couching stitches are enough to give a hint of colour without taking away from the gold.