All Black captain Richie McCaw has lived his dream with characteristic precision and calculated determination. He's 34 and perhaps the best rugby player ever. But the dream is almost over. He is old by professional sport standards and everyone is asking when he's going to retire.
In 2014, director Jennifer Peedom was working on a documentary about the Sherpas of Mount Everest when the largest avalanche in recent history occurred on the mountain, killing 16 Sherpas.