Drone-based Reconstruction (IMAGE) Washington State University Caption Real trees are on the right. Trees on the left were made using imaging data collected by aerial drones and the LES forest simulator. Credit Washington State University Usage Restrictions Please credit 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.