Coffee pickers (image) Virginia Tech Share Print E-Mail Caption Coffee pickers head to work on a shade-coffee farm in Antioquia, Colombia. Photo by Virginia Tech's Guillermo Santos. Credit Virginia Tech Usage Restrictions credit Virginia Tech Share Print E-Mail 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.