Britain's skip David Murdoch shouts instructions during their men's round robin curling game against Canada at the Vancouver 2010 Winter Olympics February 20, 2010. REUTERS/Lyle Stafford (CANADA) (Reuters)
Slide show: Curling face
Olympic curlers are renowned for their stamina, concentration and an odd, jaw-dropping expression
The concentration, the precision, the sweeping: Curling requires much of a competitor. But each time a player "throws" one of the "stones," photographers wait for the moment of curling face, that distinctive look of focused eyes and gaping mouth as the thrower, still crouched over, yells out instructions to the sweepers about how and where to use their brooms. Here's our round up of some of the best curling faces from this Winter Games.