Nai 3 (image) University of Queensland Share Print E-Mail Caption Nai 3, 180 MW hydropower plant, Vietnam. One of a series of 5 hydropower dams built along Nai river in the Cat Tien National Park and UNESCO biosphere reserve. The pictures are from 1996 and 2017 from left to right. Credit Google Earth Usage Restrictions None Share Print E-Mail 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.