Redirecting Sunlight into Dim Alleyways (IMAGE) Optica Caption This is a dim street in a dense urban area in Egypt (left) and a model of a dim alleyway for simulation (right). Credit Credit: <i>Optics Express</i> Usage Restrictions None 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.