Arne Kokborg: "Blood circulation" [Blodets kredsløb] (1992)
Pitch| Veins (enfeebled) (deficient in oxygen) |
Heart / lungs (new energy / oxygen) |
Arteries (lively) (rich in oxygene) |
| Spreading out -----> | Together ------> | Spreading out |
| Follow a vein to the heart / lungs | Follow an artery |