Uh, maybe because the humidity is low there?Their promotional video needs something besides flashy photography and music. If they are testing in "extreme cold" why can't I see his breath when he's talking????
Which would make moisture air exhaled from a person more visible than in a warmer climate where the dew point is higher. The colder the ambient temperature of the air, the sooner you'll have dew, frost or cloud/fog forming.Uh, maybe because the humidity is low there?