Over 2,400 years ago, Persian engineers mastered the art of ice-making in the desert. The Yakhchāl, an architectural marvel, used evaporative cooling to store ice and preserve food—even in scorching heat!

The towering dome you see here is Iran’s oldest surviving Yakhchāl, standing for over 400 years as a testament to human ingenuity. Long before refrigeration, these structures proved that ancient technology was far ahead of its time.