Roofpedia-2 (IMAGE) National University of Singapore Caption Dr Filip Biljecki, Presidential Young Professor from the Department of Architecture at the NUS School of Design and Environment (left), and NUS Master of Architecture graduate Mr Abraham Noah Wu (right) at the solar roof of the SDE4 building. Credit National University of Singapore Usage Restrictions NA 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.