Calcination kilns of Viloudriz Monument · A Pontenova, Mariña Oriental, Lugo Image of A Pontenova, not of the place itself. Batteries of kilns where the limonite extracted in the mines was calcined before being shipped; they were built with brick brought from the Sargadelos factory and are the symbol of the concello's industrial past. Photo: Elisardojm (CC BY-SA 4.0) What to see and do in A Pontenova