A tribute to great hamburgers

What started as a fast-food sandwich on the go has been reinterpreted by gourmet chefs, ambitious world record seekers, and international palates: it's the two-handed meal with limitless possibilities. May is National Hamburger Month in the US, and to celebrate the iconic, edible symbol of all things Americana, here's a look at how the humble sandwich has been reinvented in recent years. (Relaxnews)

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