ການແຂ່ງຂັນ ໂອລິມປິກ ຢູ່ Sochi ເລີ້ມຂຶ້ນແລ້ວ

Jamie Anderson of the U.S. gestures at the finish line during the women's snowboard slopestyle qualifying session at the 2014 Sochi Olympic Games, Feb. 6, 2014.

Jessika Jenson of the U.S. performs a last jump during the women's snowboard slopestyle qualifying session at the 2014 Sochi Olympic Games, Feb. 6, 2014.

Swiss team members ski past an anti-aircraft missile battery during a training session for the 2014 Sochi Winter Olympic Games in Rosa Khutor, Feb. 6, 2014.

Russia's Semen Pavlichenko speeds down the track during a men luge training at the Sanki sliding center in Rosa Khutor, Feb. 6, 2014.

France's four-man bobsleigh pilot Thibault-Alexis Godefroy and his team start during an unofficial men's bobsleigh progressive training at the Sanki sliding center in Rosa Khutor, Feb. 6, 2014.

Members of the U.S. freestyle skiing team pose with members of a Cossack dancing chorus dressed in traditional costumes in Rosa Khutor, Feb. 6, 2014.

A stray dog sits near Olympic volunteers in Olympic Park ahead of the 2014 Winter Olympics, Feb. 6, 2014.