Puppies pull a play sledge for the amusement of supply officer George Black during Richard E. Byrd’s first Antarctic expedition. They were the offspring of the 94 dogs originally brought along for transport on the journey—and would soon be the youngest residents of a part of the camp called Dog Town.
A twin otter aeroplane operated by the British Antarctic Survey flies over the disintegrating Wilkins ice shelf, a 200m-thick sheet of floating fresh water ice larger than Jamaica. It started to break up in 2008. Seven major ice shelves have broken up on the Antarctic Peninsula in the past 30 years, in a wave that has been travelling southwards.
Frozen Planet: On Thin Ice