Patterns are everywhere, aren’t they?
I was tramping through Valley Forge National Historical Park, and this pattern stood out atop the green field that covers that land’s tragic history:
Then, after dashing into a soldiers’ hut to wait out a rainstorm’s artillery barrage of the park, I looked up at the ceiling to see another pattern:
These are paper wasp nests, probably last year’s models, constructed by wasp queens. Since there was no activity, I must have been the only queen in the hut at the time. (Phew!)