Cary Fowler in the main seed vault. Its natural year-round temperature is minus-5 degrees Celsius (23 degrees Fahrenheit), but the air is further cooled to the optimum storage temperature of minus-18 degrees Celsius (zero degrees F).
Cary Fowler in the main seed vault. Its natural year-round temperature is minus-5 degrees Celsius (23 degrees Fahrenheit), but the air is further cooled to the optimum storage temperature of minus-18 degrees Celsius (zero degrees F). Jim Richardson Prospecta Press
Cary Fowler in the main seed vault. Its natural year-round temperature is minus-5 degrees Celsius (23 degrees Fahrenheit), but the air is further cooled to the optimum storage temperature of minus-18 degrees Celsius (zero degrees F). Jim Richardson Prospecta Press