Saw a film on DVD recently about a group of black American women ibv1960s I think working in NASA. We’re good at maths. Involved in space programme. Scene where women wants to use the toilet but because she has to use a segregated toilet for black women has to go about 1/2 mole to toilet.
Hidden Figures: https://www.youtube.com/watch?v=q8FZCYtyxQk