GabrielJack typed a picture: Ground is transparent.
Sky is shiny [space2].
A 5 feet wide black opaque sphere -300 feet in the ground.
A 6 feet wide shiny glass sphere 5 feet in the black opaque sphere.
A 45 feet wide shiny glass sphere 30 feet in the black opaque sphere.
A 50 feet wide clear sphere 44.5 feet in the 45 feet wide shiny glass sphere.
A 500 feet wide clear sphere 250 feet in the glass sphere.
A white light -2 feet in the third clear sphere.
Camera light is white