But first, they had to learn to move like a baby elephant, which included walking around on all fours using these stilts, no easy feat on long shoot days.
As part of our project, we carried out a survey of people in the street, and the thing that came up over and over again is that people don't think it's easy enough to recycle their waste.
Now the scientists are examining them in an effort to find out if there could be other large reefs at the same depth yet to be discovered, but it's not an easy task.