People ride ski lifts amidst fog after the men's snowboard cross competition was cancelled due to fog at the 2014 Sochi Winter Olympic Games in Rosa Khutor February 17, 2014. Thick fog in the Caucasus mountains forced Olympic organizers to postpone the men's snowboard cross competition on Monday and it will now have to be rescheduled. REUTERS/Lucas Jackson (RUSSIA - Tags: SPORT OLYMPICS SPORT SNOWBOARDING ENVIRONMENT)