Winter Olympics, February 17, 2014

Switzerland's Joel Gisler jumps during a freestyle skiing training session in the halfpipe at the Rosa Khutor Extreme Park, Feb. 17, 2014.

Athletes train as fog enshrouds the course of the men's biathlon 15k mass-start, at the 2014 Winter Olympics, Feb. 17, 2014.

Yuna Kim of South Korea skates during a practice session at the figure stating practice rink at the 2014 Winter Olympics, Feb. 17, 2014.

China’s Liu Yin shouts instructions from the house during a round robin match against Japan at the 2014 Winter Olympics, Feb. 17, 2014.

Britain's Anna Sloan shouts after delivering the stone during women's curling competition against Russia at the 2014 Winter Olympics, Feb. 17, 2014.

A snowboarder goes through a tunnel near the alpine skiing training slopes at the Sochi 2014 Winter Olympics, Feb. 17, 2014.

Cross-country skiers train in front of the olympic rings at the Laura biathlon and cross-country ski center, at the 2014 Winter Olympics, Feb. 17, 2014.

The United States' Nick Baumgartner jokes with Canadian athletes as they wait for the start of men's snowboard cross competition that was later cancelled due to fog at the Rosa Khutor Extreme Park, Feb. 17, 2014.

Australia fans dress up for the men's snowboard cross competition at the Rosa Khutor Extreme Park, Feb. 17, 2014.