(IMAGE) Elhuyar Fundazioa Caption This is the farming site at Zaballa (Iruña de oca). Rectangles indicate the position of samples analysed by means of micromorphology (M1–M4). Credit UPV/EHU 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.