QuickCheck: Was the snow in Wizard of Oz really asbestos?

A screenshot of the scene in the Wizard of Oz (1939) where Dorothy and her friends wake up in a snow storm.

THE 1939 film The Wizard of Oz is an iconic movie that is still instantly recognisable by many and has impacted countless creative works.

It is also one of the films which legendary performer Judy Garland, who acted in the film as Dorothy when she was only 16 years old, is most well-known for.