El Chalten, Argentina
Awoke to something of a chill in the air and on looking at the surrounding mountains realised it had snowed overnight. It was devishly cold as we caught a boat across Lago Viedma for ice trekking on Glaciar Viedma. Fortunately the clouds moved on and the sun came out to make our stint on the glacier a tad warmer than it might have been. Crampons on, we trudged across enough crushed ice to throw a worldwide cocktail party, and then through a smaller version with a...