Pinking Sounds News Today

Currents to make sure that the planes can get back to where that debris would be. but they havent been able to. partially its visibility very difficult, partially there are big currents there, its a big stretch of walter and theyre having real difficulty. >> in perth, australia, andrew stevens, thanks very much and good night. ultimately nothing will be more important in this investigation than this noise. [ pinking sounds ] surprisingly soft but that is the ping from the planes black boxes whic...