One difficult thing about it is that concrete weathers in a way which is, let's say, not conventionally attractive. The architects produce mockups where the wal

One difficult thing about it is that concrete weathers in a way which is, let's say, not conventionally attractive. The architects produce mockups where the walls are wide expanses of pure pale gray, but rarely do a second mockup where everything is covered in dark grimy streaks. This museum's patterns of perforations distract from the weathering rather well.