Taken in winter time in a arid area of the Canadian Rockies.  Temperatures where below -30 degrees Celsius, yet because there was no  snow fall, the surface of the lake was uncovered, allowing a clear view  of the bubbles (gas release from the lake bed) that were trapped in the  frozen waters.

Taken in winter time in a arid area of the Canadian Rockies. Temperatures where below -30 degrees Celsius, yet because there was no snow fall, the surface of the lake was uncovered, allowing a clear view of the bubbles (gas release from the lake bed) that were trapped in the frozen waters.