Having trouble seeing any scattering effects from the media I'm putting in. I've
added two lines to my code:

"light_source{<30,0,0> 0.3 media_interaction off}"
to light the room

and

box{<-20,-32,-20>,<10,8,20> pigment {rgbt 1} hollow interior {media{scattering{1
,0.07 extinction 0.01} samples 1000,10000}}}

to scatter the light.

However, I'm not seeing anything. Are my values for the scattering or sampling
not in the right ballpark to see the effect, or is something else going on here?

Thanks!

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