The rock art of the Covacha del Portillón Curiosity · Manzanal de Arriba, La Carballeda, Zamora Image of Manzanal de Arriba, not of the place itself. South of Linarejos schematic rock paintings are preserved in the Covacha del Portillón and in the Abrigo de Melendro, the oldest traces of human occupation in this corner of the Carballeda. Photo: Martín Andariego (CC0) What to see and do in Manzanal de Arriba