 Prior to production, early artwork commissioned by Lucas from conceptual illustrator Ralph McQuarrie show robots lost on a desert world, scorched by twin suns and mysterious, masked Tusken Raiders riding large horned Banthas.George Lucas originally envisaged filming the Utapau/Tatooine scenes in Algeria (inspired by Michelangelo Antonioni's 1975 film "The Passenger"), Libya or Iran, but these locations were rejected by 20th Century Fox.When production began on "Star Wars", production designers John Barry and Robert Watts scouted for filming locations in Morocco and Tunisia.