This article and radio report by Deena Prichep and Daniel Estrin for The World originally appeared on PRI.org on May 7, 2015, and is republished here as part of a content-sharing agreement.
Aquest article i informe radiofònic de Deena Prichep i Daniel Estrin per The World va aparèixer originalment a PRI.org el 7 de maig del 2015, i es publica aquí com a part de l'acord d'intercanvi de continguts.