Two videos (or rather, one video in two versions) from Deutsche Welle:
Text from the YouTube page:
"Jan Vormann restores crumbling architecture with what he calls dispatchwork with the emphasis on the patchwork. Instead of plaster or stucco,the German artist mends cracks,holes and fissures in buildings with Lego blocks. He's left his mark on the streets of Amsterdam,St. Petersburg and Tel Aviv,among other places."