Orangutan Research Site in Sumatra (IMAGE) Great Ape Trust of Iowa Caption One of the 22 conservation initiatives funded this year by Great Ape Trust of Iowa is this orangutan research site at West Batang Toru in Sumatra. Credit Perry Van Duijnhoven Usage Restrictions Photo usage limted to this news release. 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.