Coastal Sieving (image) Max Planck Institute for the Science of Human History Share Print E-Mail Caption Wet-sieving at the site of Ras Mkumbuu, Pemba Island, Zanzibar, Tanzania. Ras Mkumbuu is a 10th century Swahili trading port. Faunal remains, including those analyzed in this study, were recovered at this site. Credit Photo credit: Mark Horton Usage Restrictions With appropriate credit. 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.