And one thing that is kind of very useful is that we use a pole cameras -- this is my colleague Joanne with a pole camera -- where you can actually look underneath the shark.
有一样东西非常有用 那就是我们用高杆摄像。这个是我的同事乔安妮拿着她的高杆照相机 你可以用它拍摄姥鲨的下面