Researchers take a close look at The Line (IMAGE) Complexity Science Hub Caption a| Location of The Line in Saudi Arabia. b | Expected commuting time (vertical) depending on the number of stations (horizontal). c | Largest cities in Saudi Arabia, including the planned population of The Line. Credit © Complexity Science Hub/Prieto-Curiel Usage Restrictions © Complexity Science Hub/Prieto-Curiel 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.