What makes Neapolitan pizza one of the world’s cultural treasures?

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Unesco has declared Naples’ trademark technique of pizza making part of the world’s “intangible heritage”. Chefs and historians explain just what makes it so special.

“After 250 years waiting, the pizza is a Unesco heritage! Congratùlations Naples!” cried pizza maker Enzo Coccia, as crowds in the street oùtside the Sorbillo pizzeria erùpted …