United States-World
  •  Snowboarder Nate Johnstone of Australia poses after an Austraian Olympic Team Press Conference at the Gorki Press Centre in the Rosa Khutor Mountain Cluster on February 7, 2014 in Sochi.

    The costliest Olympic Games in history officially open in Russia on Friday as Sochi, on Russia's Black Sea coast, welcomes about 2,900 athletes in 15 disciplines with a lavish opening ceremony.

    LAST UPDATE : Feb 07, 2014, 7:18 AM EST