Very cool picture. Looks like cotton balls. It's funny how the pattern repeats and they're similar in size. Clouds can look real funny sometimes. I remember about 15 years ago or so I was in the Pyrenees mountains between France and Spain just a bit above 3000m. Ambient temp was approx -25c. When the sun went down and started hitting the underside of the clouds something like this photo happened but it was more like spikes, like stalactites you see in caves caused by water dripping. So it looked like the clouds were "dripping down". Real weird but beautiful. These kind of pictures remain in your mind.
