- Detailed look at the shape of Pileus clouds and air motion
![Detailed look at the shape of Pileus clouds and air motion](http://www.skyartstock.com/peas/W953111Z-SKYART.jpg)
- W953111Z
- Detailed look at the shape of Pileus clouds and air motion. Because of their symmetrical shape (like a contact lens) and depth compression, Pileus always look like thin objects with tapered edges, giving the impression that the air moves across the view through them (a two-dimensional interpretation). This is an illusion. Here, the flow happens to be moving away into the distance, but the clouds look almost the same either way.
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