Figure 3: (IMAGE) Science China Press Caption Alternative distributions of broad valleys and canyons, and its relationship with lithology in the HY1 catchment. Light yellow areas and brown areas show the Quaternary loose deposit and bedrocks, respectively. Credit ©Science China Press Usage Restrictions Use with credit. 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.