When we think about food in China, what usually comes to mind are the signature dishes of Beijing, Hong Kong, Shanghai. But beyond the urbanized eastern third of China lie the high open spaces and sacred places of Tibet, the Silk Road...

As they have pursued their passions for travel and exploring culture through food, Jeffrey Alford and Naomi Duguid have found an internationally shared and nourishing element of culture and cuisine: flatbreads, humankind's simplest,...