The ethnosphere is the sum total of the world's cultures. It incorporates, among other cultural facets, ". . . all thoughts, dreams, ideas, beliefs, myths, intuitions, and inspirations brought into being by the human imagination since the dawn of consciousness". Ethnosphere refers to both the accumulation of living cultures and the ancient lineages from which they evolved.
This concept, is something else, it has helped me to hang new works onto it. Watch this space!!