Peter Neff is part of a team drilling ice cores from glaciers in Antarctica to look at how the climate has changed. But after they’ve done their work, they have a little fun dropping chunks of ice down the bore holes to make really cool noises (sound on, headphones recommended).
Oh, that *peeewwww* as it hits the bottom! See also the wonderful sounds of black ice skating, an incredible photo of the black ice covering an Antarctic lake, and “Whumph”: the sound of settling Antarctic snow.