Collecting ochre pigment materials (IMAGE) University of Missouri-Columbia Caption The research team collects ochre pigment materials from Banda Cavern, Ngwenya iron ore complex, located in northwestern Eswatini. Credit Photos courtesy Brandi L. MacDonald, Gregor Bader and Jörg Linstädter Usage Restrictions For media use License Original 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.