Amsterdam Frozen Canal Diamond Winter of 1920 — Amsterdam, Netherlands HeistIn the dead of winter, when Amsterdam’s famous canals froze solid, the city believed itself secure. The water that once protected its wealth became an unexpected road. Under cover of fog and lamplight, figures moved silently across the ice, slipping past guarded streets and locked doors. What followed was one of the boldest diamond thefts in Dutch history—planned with patience, timing, and the rare gift of a frozen city.