But as grandpa dug through that forest floor, I became fascinated with the roots, and under that, what I learned later was the white mycelium and under that the red and yellow mineral horizons.
Ale jak začal děda rýt do lesního podloží, fascinovaně jsem se zadívala na kořeny, na bílé mycelium pod nimi, a pod tím červené a žluté  minerální vrstvy.