「ゾウの鼻はなぜ長いのか」「おみくじは、なぜ木にむすぶのか」「富士山の頂上に、なぜ持ち主がいるか」「ダルマさんは、なぜ赤いか」…。すぐに読める“意外、納得、感心”の連続、読んで楽しい雑学の本・第3弾。
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