Even if you prefer to pretend that the latter Matrix movies don't exist, you can still appreciate these gloomy pieces of concept art from The Matrix trilogy, filled with sinister machines and the interminable levels of the human city Zion.

Coolvibe describes this as "lost and forgotten" concept art (although we've seen a couple of these before) from The Matrix from various concept artists, including Richard Mahon and George Hull. Check out more images at Coolvibe.

Lost concept art from The Matrix [Coolvibe]