In the strip below, the top picture is of a granny afghan, crocheted with yarn by a talented person.
In the middle is a photo by Roland H. Gebert, showing cross-sections of beefwood leaves, magnified 16 times. Gebert is a microscopy professor from Zurich.
The third picture is another granny afghan.
The granny afghan photos are by callme_crochet here and here, via this Creative Commons license.
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