An aerial view from a helicopter shows the «Ice Cube» Curling center at the Olympic Park in the Adler district of the Black Sea resort city of Sochi

An aerial view from a helicopter shows the «Ice Cube» Curling center at the Olympic Park in the Adler district of the Black Sea resort city of Sochi, December 23, 2013. Sochi will host the 2014 Winter Olympic Games in February. Picture taken December 23, 2013. REUTERS/Maxim Shemetov (RUSSIA — Tags: CITYSCAPE BUSINESS CONSTRUCTION SPORT OLYMPICS) — RTX16XBT