Categories twitter twitter-es twitter-pt RT @WHO: Strategic urban redevelopment of #Medellin 🇨🇴, once the most dangerous city in the world, led to a massiveadmin - 09:29, 5 de junio de 2019450 0 RT @WHO: Strategic urban redevelopment of #Medellin 🇨🇴, once the most dangerous city in the world, led to a massive drop in violence. In 20… 0