ニューヨーク植物園のインスタグラム(nybg) - 12月5日 06時32分

“Crown shyness” is a phenomenon among certain tree species (and sometimes between different species) in which the branches on separate trees avoid touching each other, creating channels between them like you can see here. There are many theories as to why this happens, such as maximizing sun exposure by avoiding neighbors’ branches, or limiting the spread of leaf-eating insects between trees. (? by @mco_photo)

[BIHAKUEN]UVシールド(UVShield)

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