Drifter | Baker Flats, WA | 2011
The cohesion of vapor into airy sculptures must puzzle even the smartest skywatchers. Barometric pressure, wind currents, surface tension, molecular bonds, a shade of gravity — all combine to shape cloud into everything from cotton puffs to stampeding giraffes. Sometimes, too, they blow across the sky with great purpose, seemingly determined to complete their mission.
IrwinFoto 