You’ll note these are Bosnian camps.
Pretty interesting stuff. Click on the images to enlarge.
During an academic conference in Brussels in December, 1997, an agitated audience, who felt that the Lego Concentration Camp was a real toy which was available for sale, demanded that I comment about why I constructed it. My response then, as it is now, was: “I am from Poland. I’ve been poisoned.”
– Zbigniew Libera
It seems he was able to sell 3 sets for $7500 each in the ’90s. You can read some discussions and articles about this artwork here.