據說是世界上最硬的食物——日本傳統柴魚（乾燥鰹魚）是如何製成的/How the World s Hardest Food Is Made Traditional Japanese Dried Bonito Katsuobushi

This video documents the traditional and meticulous process of making katsuobushi (dried bonito flakes), highlighting the specialized tools, rigorous drying techniques, and the dedication required to preserve this disappearing Japanese culinary art.