Royalty free photo The municipality of Tulum will become Mexico’s first sustainable tourism development zone (ZDTS) within a month, the Quintana Roo tourism secretary claims.Marisol Vanegas Pérez said yesterday that President Enrique Peña Nieto will sign a decree to create the zone by October 15 at the latest, less than two months before he leaves office.Under the designation, the popular tourist destination on the Yucatán Peninsula’s Caribbean coast would implement a range of sustainable tourism schemes with a focus on the green economy, she said . . .