Indigo: A World of Blue - Documentary

Transcript

This plant is a common weed in most of the  tropical world, but when properly processed, it will yield indigo blue - one of the  world's oldest and most enduring colours. This particular species bears the  scientific name indigofera tinctoria, and it is a vital component in achieving all  ranges of blues, greens, purples and blacks. To this day, in... Read More