On one of our favorite walks, the slightest breeze brings the sounds of a flowing mountain spring. But thirsty as we may be, we no longer bother looking for moving water. It’s actually the flutter of aspen leaves set trembling by air currents passing by.
Depending upon the speed of the air, the sound can range from the almost inaudible hiss of soft rainfall (some call it the music from thousands of butterfly wings) to the rush of a mighty mountain stream. If there is any air movement at all there will be some sound, accompanied by a shimmering light show as the aspen leaves flutter in the breeze. (Read the rest …)