Plastic chairs are everywhere in Vietnam, from roadside tea shops to living rooms, yet the circular hole in the seat has long sparked curiosity.
Nearly everyone has sat on one at some point, but few have paused to wonder about the purpose of that round opening in the center. Some believe it helps keep the seat cool, while others jokingly suggest it reduces manufacturing costs or simply adds a unique design feature.
Though small and seemingly insignificant, the hole has become a playful topic whenever people quiz each other about its function.
Some explanations sound logical, while others are humorous enough to prompt laughter. The more people reflect on it, the more fascinating it becomes that such an ordinary item can give rise to so many guesses. Little everyday mysteries like this often bring moments of lighthearted fun, a reminder that even the simplest details in daily life can spark curiosity and joy.
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