The Grand Tours: The greatest challenges in cycling.
Three weeks of pain, suffering, sacrifice and - for the lucky few - glory.
Races marked not just their history, legends and triumphs, but by landscape.
The spring snow of the Giro, the endless sunflower fields and high Alps of the Tour, the burning heat of Spain's interior in la Vuelta.
To win, the victor must not only conquer his competitors but must overcome the nation itself.