ADVERTISEMENT At Expo 2025 Osaka, Kansai, Japan, the country is using its national strengths—craftsmanship, cuisine, and cutting-edge science—to address urgent global challenges. During the Necessities of Life: Food, Clothing and Shelter Theme Week, food took centre stage, with a focus on sustainable practices deeply rooted in Japanese culture.Visitors joined craftspeople to build a traditional kioke barrel, used for fermenting soy sauce, symbolising collaboration in sustainability. Inside the