When US director George Lucas choose Tunisia as a shooting location for Star Wars, back in 1976, few could have predicted its lasting legacy.

Film sets used in the movies continue to pull in thousands of visitors every year.

So when a sand dune threatened to swallow up Mos Espa - the childhood home of Darth Vader - Star Wars fans teamed up with tourist chiefs to take action.

Raya Ben Guiza-Verniers from the Save Mos Espa project explains.

Video produced by Howard Johnson.