Residuos quemados (IMAGE) University of the Basque Country Caption Amontonamiento de residuos quemados de edad calcolítica desenterrado en San Cristóbal (Álava, País Vasco, España) Credit Põu Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.