Martin Köhler, a PhD candidate with the University of Queensland's School of the Environment, said the odd discovery was made while he and other researchers were exploring the southern side of the island of Tongatapu."It was late in the day, and we were talking to some farmers when they directed us to this boulder," ...Köhler says that the massive boulder's location much further inland beyond the team's field work area means that it must have been transported there by some tremendous force...When the first erratics were identified in the 18th century, they were initially considered a major paradox. However, it...