 Much of the controversy surrounding the project involved the possibility that Casco Viejo would lose its World Heritage status.On 28 June 2012, UNESCO decided that Casco Viejo will not be put on the List of World Heritage Sites in Danger.According to Professor Rodrigo Miró, the first story about Panama was written by Gonzalo Fernández de Oviedo y Valdés and published as part of the "Historia General y Natural de Las Indias" in 1535.