The BEST episodes directed by Sophie Harris

#1 - Ice

Earth: The Power of the Planet - Season 1 - Episode 3

Ice may be nothing more than frozen water but, as Iain explains, it holds extraordinary power. Descending 150m down a frozen waterfall, he sees a glacier in action from below and discovers why the huge Jacobshaven glacier is retreating, he shows how it shaped our past and may now threaten our future.