What is this close-up picture? (WotsThat: Dragon fruit cross-section)

Question

What object is shown in this zoomed-in close-up photo?

Wolftrax · Accepted Answer

Dragon fruit cross-section. Dragon fruit is pollinated almost exclusively by night-blooming bats in its native habitat, which is why the plant has evolved such bright, eye-catching pink skin. The white or magenta flesh packed with tiny black seeds is actually the only edible part of this stunning tropical cactus.

Answer: Dragon fruit cross-section

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