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I invite you to tickle your grey cells and identify what's pictured above. There's a hint (of sorts) in the picture below.
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Answers on Thursday (23 July)
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Proud of my world, just as others are
Update on 23 July
Most had identified right, at least by name. That intricately networked fibre is the xylem of the ridged gourd. (the sponge-like brush made from mesh-like fabric that comes with shower-gels is also called luffa / loofah though). Here is a picture showing half-dried gourds the soon-to-be organic luffas.
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pic courtesy