Back to the beginning of the 20th century, the countryside of the Iberian peninsula was controlled by land tenants who enjoyed a set of privileges that would be considered more typical of the middle ages than of modern times. As for example, having enslaved families working on their farms.
Now this is obviously an issue that 2 actual European Union countries like Spain and Portugal don't like to be reminded of. Nobody likes to remember that less than 50 years ago this was still a reality. So with time it became a non-issue, an unsponsored reality.
What Camus does with this movie is remarkable. Not only by his technique and the end result of this film, but mainly because it gives voice - and more importantly, it gives images - to this hundred of anonymous stories that were never portrayed before with such care.
A must see.