The central plot involves a San person finding a glass Coca-Cola bottle and interpreting it as a gift (and eventually a curse) from the gods.

If you are looking for the movie rather than a paper, you can find it streaming on platforms like JustWatch or check details on IMDb . Los dioses deben estar locos (1980) - IMDb

Scholars often debate the film's portrayal of the San people, questioning whether it is a harmless comedy or a patronizing, "noble savage" caricature.