saffronItalian chef Gualtiero Marchesi's saffron risotto with edible 24-karat gold leaves.YouTube/Screenshot

The future of food is desert-grown vegetables in Tucson, Arizona and saffron risotto with edible gold leaves in Parma, Italy.

These cities, along with eight others, just joined UNESCO's Creative Cities Network for their gastronomic achievements.

Every year, the organization searches for cities leading the future in a variety of creative fields, including music, literature, and design. The gastronomy-focused cities will partner with UNESCO to preserve culinary heritage and make food production more sustainable.

Here are the 10 cities pioneering the future of food.

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