https://www.alamy.com/absinthe-spoons-are-placed-with-a-piece-of-sugar-on-the-glass-filled-with-absinthe-ice-cold-water-drips-at-a-rate-of-one-drop-per-minute-over-the-sugar-cube-and-through-the-spoon-into-the-room-warm-alcohol-each-drop-left-milky-green-haze-in-the-glass-musee-de-absynthe-at-val-de-travers-switzerland-image373649911.html