China’s sinking cities indicate global-scale problem, Virginia Tech researcher says (IMAGE) Virginia Tech Caption New satellite tools allow researchers to generate accurate, high-resolution measurements of sinking land, which represents a growing hazard all over the world. Credit Illustration courtesy of Manoochehr Shirzaei. Usage Restrictions Must credit 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.