7 ms·Below freezing air, but it's not freezing just few centimeters underground or underwater.by Huh1337 4y agoBelow freezing air, but it's not freezing just few centimeters underground or underwater.bawolff 4y agoYou would have to go far more than a few cm underwater. We use ice bridges in the winter. A few cm of ice is not enough to support a giant truck.monknomo 4y agofrost line is like 6 feet underground in these places. There is permafrost in mosquito land!