カタツムリの殻は、いつ見ても汚れがついておりません。無数にある表面の微細な凸凹が、汚れを防止しているそうです。不思議ですね。
There was something in the back of a leaf. When I took a closer look, I found it was a snail of around 3mm in diameter.
I have never seen a snail which has a dirty shell. It's said that the infinite minute convexes and concaves on the surfaces are preventing dirt. It is a wonder.
1/90sec, F5.6, 0EV, ISO400, 90mm (aps-c)
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