The Last Supper was a failed experiment.  Da Vinci painted it differently than most fresco, and it started to peel and flake, and was ruined.  In 1978, it was unrecognizable and restoring it took more than twenty years.  There were no zombies involved in it, as far as I know.

The Last Supper was a failed experiment.  Da Vinci painted it differently than most fresco, and it started to peel and flake, and was ruined.  In 1978, it was unrecognizable and restoring it took more than twenty years.  There were no zombies involved in it, as far as I know.