Ancient refrigerator of Florence
Certainly since the mists of time food conservation has always been a fundamental if not primary element for human nutrition. So everything that could be useful in the use to slow down the deterioration and prevent those phenomena of proliferation of pathogens was very important. The most common systems were those of the salt, of clerk, of use of fresh environments but above all the use of ice. The difficulty of finding ice in hot periods developed a simple but not banal expedient, that is, the creation of the "refrigerators" of the time known as Ghiacciaie or "Diacciae" in Florentine. But many cities were not close to the mountains so something had to be devised immediate functionality.
