A revitalized city welcomes the world. Sure, Italy is rich with romantic cities like Florence, Venice and Rome — but its most vibrant might just be Milan. And this is the year for tourists to explore its charms, as it hosts the 2015 World Expo.

Twenty million visitors are expected to visit the city for the Expo, a mammoth event that runs from May through October and involves more than 130 participating nations and organizations sponsoring more than 60 pavilions. The Expo's theme focuses on food, nutrition and sustainability practices — a fitting choice for a city steeped in Italian culinary traditions.

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Source: http://www.nytimes.com/