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6

There was a green house. Inside the green house there was a white house. Inside the white house there was a red house. Inside the red house there were lots of babies. What is it?

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A watermelon - challenging illustration
A watermelon — challenging

This classic riddle cleverly describes the layers of a familiar summer treat. The "green house" refers to the watermelon's sturdy outer rind, which protects the fruit within. Journeying inward, the "white house" represents the pale, often firmer, inner layer of the rind, a part that some cultures even pickle and enjoy. Deeper still lies the "red house," the vibrant, sweet, and juicy flesh that is the most commonly consumed part of this refreshing delight. Finally, the "lots of babies" inside are the numerous seeds nestled within the red flesh, ready to sprout new plants.

Watermelons boast a rich history, with their origins traced back to the deserts of southern Africa, where they still grow wild today. The first recorded watermelon harvest occurred nearly 5,000 years ago in Egypt, where they were depicted in hieroglyphics and even placed in the burial tombs of kings to nourish them in the afterlife. Early explorers valued them not just for their taste, but also as natural canteens due to their high water content. Botanically, watermelons are classified as a fruit, developing from a flower and containing seeds, but they are also considered part of the gourd family, making them cousins to cucumbers, pumpkins, and squash.

Beyond their layered structure, watermelons are remarkably hydrating, typically composed of over 90% water. While most commonly known for their vibrant red flesh, varieties with yellow, orange, or even white interiors exist, each offering a slightly different flavor profile. The entire fruit is edible; the seeds can be roasted for a nutty snack, and the rind can be pickled or stir-fried in various cuisines around the world. This versatile and ancient plant continues to be a beloved refreshment globally.

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