Excellent choice of a subject for your short video. You can really sniff them out. While thrilling and daring subjects seem to be the diet of the medium, a brief video explaining a phenomenon, really any fundamental yet profound characteristic of nature, survives in memory in a much more enduring way because its example can be used as a tool in future in related circumstances.
As I see it, there are two very essential concepts demonstrated by your video that are not well-understood by the general public. The most basic of these is an understanding of a property of water (the medium of life) called heat capacity and the other is really an example of an ancient practice that seems to have been forgotten these days in the urgency of profit over the logic of conservation of precious water aquifers. The two are actually somewhat related. It takes a great deal of heat to melt ice and in your example that ice as heat sink has managed to lower the ambient temperature enough to feel it on your skin. It also makes it impossible for the humid air to retain its moisture in an invisible state and therefore it condenses into fog because the air can't hold it at the lower temperature close to the mine entrance. The reverse is also true. For ice to form it must liberate a great deal of heat. The formation of ice on L. Ontario in winter moderates the coast some distance inland. The high heat capacity of the elixir of life, in part, makes our various climate(s) possible as heat is collected in a phase change and then deposited elsewhere in a reverse phase change.
The other issue is the essential nature of caves, cracks and crevices and any means of diverging rain water, and melt-water away from useless rapid torrents to sites for percolation into aquifers where it does the most good. Even underground ice, in summer, is a boon to a precious aquifer. In many places around the world the local aquifers are depleted and so the ground is drying out, shrinking, sinking as it does so, and this subsidence takes along everything that is built above it. Then there is the loss of drinking water due to the aquifer depletion caused by water pumped out for irrigation. The mines and caves that might exist near Cobalt are essential because the ground is mostly solid rock which does not allow surface water to percolate down to an aquifer. Even ancient societies knew enough to dig ditches and aqueducts to bring runoff into areas better suited to replenish aquifers. These people were not stupid. Stupid hadn't even been invented yet. They understood conservation and didn't need to fight lobby groups that stood in the way of it in the search for immediate profit. Your video should be shown in schools ... professor Charline. Bravo!
