And here is how one goes about removing bergy bits from a ship’s path (if the longpoles don’t reach it from the deck)

Two wee bergy bits which woke me up by slamming into my cabin. Not a problem for most ships, but yachts and tall ships have to really watch out for these things. The noise they make when they hit is in direct opposition to their beauty - it sounds like a chainsaw getting wet.

Mountains in the Lemaire Channel, Antarctica