Great Barrier Reef, Australia. Glass-Bottom boat off Green Island, a coral cay in the Great Barrier Reef Marine Park, Queensland, Australia

- Image ID: T2DA38

Great Barrier Reef, Australia. Glass-Bottom boat off Green Island, a coral cay in the Great Barrier Reef Marine Park, Queensland, Australia

Ian Dagnall / Alamy Stock Photo

Image ID: T2DA38

Location: Green Island, Great Barrier Reef, Cairns, North Queensland, Australia