Hourglass with Maroon Sand Flowing

Macro shot of maroon sand flowing inside an hourglass on a dark brown wooden surface. The glass curves around the grains of sand, creating a magnified view of the slow, continuous flow. The neutral-toned background has shallow depth of field, while the grains of sand are in crisp focus. This timeless symbol of transience, patience, and delay may be used for educational or demonstrational purposes, or as a visual metaphor for time and the inevitable.