Taveuni (IMAGE) Frontiers Caption Much of our research would be impossible without the help of locals who act as guides, hosts, and friends. Here, guides and researchers pause for a break while hiking up to Lake Tagimoucia in tropical heat. Credit James Dorey Photography Usage Restrictions Credit must be given to the creator. License CC BY 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.