Excavation in wetlands of Belize (IMAGE) University of New Hampshire Caption Researchers doing reconnaissance in the Crooked Tree Wildlife Sanctuary CTWS where they discovered evidence of a large-scale pre-Columbian fish-trapping facility. Credit Courtesy Belize River East Archaeology (BREA) Project Usage Restrictions None License Original 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.