Heh, that reminds me of a fresh Finnish patented
method of
"printing" on concrete, and the freshly built archival building
in Hämeenlinna. Here is a bit of detail of the wall of the building.
see if it reminds you of anything familiar to us all?
http://4.bp.blogspot.com/_YiztANGzgQA/SFWP29Opa8I/AAAAAAAAAEE/X4b_e9sVd-8/s…
This method of making a lasting impression on concrete
is said to be not much more expensive than ordinary concrete.
It reminded me of this entry in the Cracked "If Everything Was Made By
Microsoft" competition: