Found a refrigerator from ancient Rome?

This refrigerator can help keep food for 1 year.

Swiss scientists have found a 4-meter-deep pit around the shale. According to research, this is not a normal pit but a 'refrigerator' of.

Scientists study "refrigerators" of ancient Romans.

This hole will be filled with ice and ice with the purpose of keeping food fresh for a long time. Scientists have been experimenting on how to make this 'refrigerator' and food for a long time.

Although studies show that the ancient Romans dug holes into 'refrigerators' , however, the specific practice has not been clarified.

Dr. Peter-Andrew Schwarz from Basel University after many trials successfully maintained a 'refrigerator' for 365 days. Accordingly, they use a layer of snow and straw to create a thermal gap, helping the ice to survive longer.

The site found the 'refrigerator' of ancient Romans located near the city of Basel, Switzerland today. Previously, this area was a Roman colony. It once witnessed very active commodity trading activities in the region.

The ancient citadel of the ancient Romans used to have about 20,000 people but after the war broke out in 300 AD, the population evacuated everywhere. Scientists estimate that this is one of the best preserved Roman sites in the world.