"The face is a surface: facial traits, lines, wrinkles; long face, square face, triangular face; the face is a map, even when it is applied to and wraps a volume, even when it surrounds and borders cavities that are now no more than holes. [...] All faces envelop an unknown, unexplored landscape; ...]"
An extract from "A Thousand Plateaus: Capitalism and Schizophrenia " by Gilles Deleuze and Félix Guattari.