This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Sediment at bottom of wine barrel. Cross section of barrel highlighting the sediment that precipitates naturally to the bottom of the barrel and is later racked off Tonneau de Vin jaune vitr de la Fruitiere vinicole d'Arbois Barrel of fermenting Vin jaune with cutaway view showing its characteristic yeast film covering called voile