Anyone that's ever been to a football game can't fail to have noticed the bright bibbed men wandering back and forth along the touchline with loaded rucksacks slung over their shoulders and telescopic grey lenses strapped to the huge camera bodies...

There are few geeks as extreme as the sports photographer, and the Winter Olympics is a perfect example of why. Imagine a football stadium - in fact, the football stadium, the Stadium of Light, where Liverpool lost a Premier League match at the beginning...