...socks. That is, sections cut from never-worn socks, then folded and inserted under flaps of commercial felt. I wasn't able to find any information about the artist or the piece, but it was visually effective, and probably functional too, in that it no doubt absorbs unwanted sound in the library's "quiet" area nearby.
On arrival to the Library, visitors are welcomed by a woven woolen wallhanging that covers an entire wall by the entrance.
As you can see in the detail shot at right, the horizontal bands are made of highly-textured yarns. I find it interesting to see the warmth and textural qualities of fibre used to enliven large, modern public spaces that might otherwise be cold and forbidding.