Tourists Enjoying Peru's Machu Pichu (IMAGE) Michigan State University Caption Tourist attractions that include rich biodiversity are more desirable, a Michigan State University study shows. Credit Min Gon Chung, Michigan State University Center for Systems Integration and Sustainability Usage Restrictions With credit, above 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.