exactly. haiku in the concrete style.
and put that way, it reminds me of Tadao Ando, Kenzo Tange, Maki, Izozaki, and many other fascinating Japanese architects that love to use actual concrete to create their poetry, or as it has been said, "frozen music": architecture.
here's a nice Ando building in concrete:
http://www.andotadao.org/chlight6.htm