Carlos NCT is a friendly and up-and-coming illustrator from Spain, who has taken his love of KSR's Mars trilogy and applied it to his digital paintings. He has produced several pieces over the years, and went at it again recently:
(you can click for bigness)
The three images above were actually part of a project to create mock covers for a fictional edition of the Mars trilogy (in Spanish). The project actually included much more material, such as bookmarks and pencil sketches. See also these "faces" drawings:
His other Mars-related work exhibits the same excellent use of colours and landscapes:
¡Le deseamos mucho éxito!