Speaking to the BBC's Heather Chen from Seoul, director Bong Joon-ho talked about environmentalism and nature, and how "selective ignorance" and corporate greed were often related.

Image Copyrightnetfliximage Caption Mija's world changes when she discovers the horrors that await her helpless best friend But to enjoy the meat, you have to ignore the slaughter.

Image copyrightNetflixImage caption Okja may be big and cuddly but Bong says his CGI creation 'bears no symbolism' to Studio Ghibli's Totoro The environment may have been a running theme but sinister notions of capitalism, greed and the global economy also played a role.

"They'll eat it if it's cheap," snaps CEO Lucy Mirando in a telling scene after she's confronted with hesitations about public discomfort surrounding her organisation's meat products.

Whether one is vegan or not is a matter of individual choice," Bong explained, adding that he wanted audiences to "witness and understand" how meat was being mass produced.