This Céleste Boursier-Mougenot installation was presented some time ago as a commission in the Barbican's The Curve. Although I never experienced the installation - it has now been replaced by John Bock's playful metallic home structures - and maybe the mediated version of it was better than the art it captured anyways, but there's something so subtle, delicate and humorous as well as violent and dark about this video/art piece that it is still worth a look every then and again: