Dispatchwork is a project by German artist Jan Vormann that puts toy bricks into holes in real world buildings. His first installations were in Bocchignano in Italy and Tel Aviv, Israel. His latest is in Berlin where he is specifically targeting damage from World War 2.
From an interview with the artist in Wired:
“The idea for the Dispatchwork project came about while I was strolling through the medieval village of Bocchignano. I found that the buildings there are put together using all kinds of materials. It’s a case of necessity and design is secondary.
“If you have a hole in a wall, and a variety of different kinds of stones, it doesn’t matter to the builders there what kind of shape, colour or composition these stones are as long as they fill the hole and assure the wall’s stability. The stones leftover from one house will not be thrown away and wasted, but be used for fixing another building or adding to the original one.