Kelly, these are some of the columns surrounding the "Wall of Peace", a monument conceived by the artist Clara Halter and installed by the architect Jean-Michel Wilmotte in the year 2000. The word meaning "peace" is written there in 49 languages. (Thanks, Google ;-)
Gerald
What's the skinny on the tubes? - It looks like each tube has written on them the word peace spelled out in eight different languages - when did these pillars of peace get installed? - Kelly