Fixing Road in Chile (IMAGE) Columbia Climate School Caption To make it up Ollague Volcano on a 2003 expedition to Chile, Sparks (left) and his research team stopped to complete some needed road repairs. Credit Courtesy of Stephen Sparks 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.