4-RoboticStoneWall (IMAGE) ETH Zurich Caption The Menzi Muck picks and scans each boulder to be placed in the correct position, Circularity Park in Oberglatt, Eberhard AG, 2021-2022 Credit © Gramazio Kohler Research, ETH Zurich, Eberhard AG. Photo: Marc Schneider. Usage Restrictions For editorial use only 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.