nosdrinker: stivensontheicemage: ethicfail: Nature; No Photoshop required. 1. Lenticular Clouds 2. Anvil Clouds 3. Cirrus Kelvin-Helmholtz Clouds 4. Fallstreak Hole 5. Mammatus Clouds 6. Polar Stratospheric Cloud 7. Roll Cloud 8. Undulatus Asperatus
tags: Mostly Harmless,
from: https://formulaak.tumblr.com/post/93083293551