'The illusion of effortlessness': Why athlete Femke Bol could be the sublime star of the Paris Olympics

Such is the grace and talent of the Dutch hurdler and sprinter that she appears to have the ability to bend time to her will - as well as a rare beauty in her technique In the lead-up to every Olympics a handful of athletes become the focus of expectant attention. From this handful one emerges or is selected as the "face" of the Games. In London in 2012 it was Jessica Ennis, who as a heptathlete embodied all-round Olympian excellence. This visibility is not solely a question of athletic ability;...