The sound of two icebergs rubbing together
Marc Anderson is an established Australian photographer and sound recordist. He's been working on a sound map from all corners of the globe, in partnership with other people hunting for anything that can humour our ears. He played to BBC Newsday the sound of two icebergs moving together.
(Picture: An enormous iceberg (R) breaks off the Knox Coast in the Australian Antarctic Territory in January 2008. Credit: Torsten Blackwood/AFP/Getty Images)