Invention on Instagram: "Hungary’s Route 67 is one of the most unusual roads in Europe, designed so that the pavement itself becomes an instrument. Carefully spaced grooves are cut into the roadway, and when a vehicle drives at the correct speed, the vibrations from the tires produce a clear, recognizable melody instead of random noise. The tune was intentionally selected and engineered by adjusting the spacing and depth of the grooves so each vibration corresponds to a musical note. This transf