The joyful cacophony of color that envelopes visitors to Guatemala may seem misplaced at first. After all, the nation has only recently emerged from a 36-year civil war that destroyed its infrastructure and claimed more than a million lives. But to the authors of Viva Colores : A Salute to the Indomitable People of Guatemala , it is a vivid expression of a 1,500-year-old spirit that refuses to die. Photographer Paola Gianturco and writer David Hill...