The rock art of the Vero, World Heritage Historical milestone · Colungo, Somontano de Barbastro, Huesca Image of Colungo, not of the place itself. UNESCO included in 1998 the painted rock shelters of the canyon of the river Vero in the group of Rock Art of the Mediterranean Basin, with Palaeolithic, Levantine and schematic figures spread over dozens of shelters. 1998 Photo: Rowanwindwhistler (CC BY-SA 3.0) What to see and do in Colungo