This iceberg was seen near Qeqertarsuaq, Greenland in July last year. Once an iceberg is released from its parent glacier, its time is very limited. Photo: AP

TV crew studies the life of an iceberg

Imagine a solid sheet of frozen water three kilometres across and 100 metres thick. Imagine it floating quietly in dark ocean waters, somewhere between Canada and Greenland. Imagine the desolation of the Arctic environment around it, getting harsher as winter approaches.