Minas del Buitrón y de la Concepción Historical milestone · Zalamea la Real, Cuenca Minera, Huelva Image of Zalamea la Real, not of the place itself. During the 19th century, British capital financed the working of the Buitrón and Concepción mines in Zalamea la Real, along with its own mining railway, the Compañía de Minas de Buitrón. The mining expansion pushed the municipality's population above 13,000 inhabitants in 1910. Photo: 19Tarrestnom65 (CC BY-SA 4.0) What to see and do in Zalamea la Real