How they train. An incredible video series on training for winter sports.

When we watch great sport performances on TV things look easy, precise, perfect, and effortless. We know that the athletes train a lot to get to the games but what does that training look like? How hard is it - really? How do winter sport athletes train in the summer? If you want some answers check out these awesome videos that highlight US Olympians preparing for the Vancouver 2010 Olympics.