CELESTÚN, YUCATÁN — To strengthen sustainable nature tourism and protect local biodiversity, 25 tour guides and service providers in Celestún have officially completed an extensive 200-hour professional training program in environmental interpretation and ecotourism. The certification course, organized by Yucatan’s Secretariat of Tourism Development (Sefotur), aligns with official Mexican standards (NOM-09-TUR-2002). It specializes in nature obs…