Preserving history is part of building a better future. In Ouro Preto, a historic municipality in Minas Gerais, teacher Reinaldo Urzedo takes this and many other lessons learned to the students of the Escola de Ofícios Tradicionais de Mariana, one of the projects supported by Vale Cultural Institute in Brazil. Through masonry classes, the art of molding stones to insert into buildings, Reinaldo teaches his students the importance of historical memory and helps to train professionals capable of conserving the rich architectural heritage of Minas Gerais.