Sochi is the largest construction site in Europe with 100,000 men and 500 companies are working around the clock.
Russia Builds For Sochi Olympics

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The oval shaped “Bolshoy” Ice Dome will host hockey matches. After the games, it can be reconfigured for tennis, basketball and football, Sochi, Russia, March 15, 2013. (V. Undritz/VOA)

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Ice machines smooth the ice prior to a hockey practice inside the Ice Dome, Sochi, Russia, March 15, 2013. (V. Undritz/VOA)

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Red roofed housing for Olympic athletes rises between the Ice Dome and a new Radisson Blu hotel, Sochi, Russia, March 15, 2013. (V. Undritz/VOA)

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With 100,000 workers, Sochi has become the largest construction site in Europe, Sochi, Russia, March 15, 2013. (V. Undritz/VOA)