Bosnians shovel deep snow to clear a path for pedestrians in Sarajevo, Bosnia-Herzegovina, on Saturday, Feb. 4, 2012. Eastern Europe's unrelenting and deadly cold snap produced another heavy snowfall in the Balkans, trapping people in their homes and cars; causing power outages; and closing airports, railway stations and bus services. (AP Photo/Amel Emric)

Photo by: Amel Emric

Bosnians shovel deep snow to clear a path for pedestrians in Sarajevo, Bosnia-Herzegovina, on Saturday, Feb. 4, 2012. Eastern Europe's unrelenting and deadly cold snap produced another heavy snowfall in the Balkans, trapping people in their homes and cars; causing power outages; and closing airports, railway stations and bus services. (AP Photo/Amel Emric)