ORIGINAL CAPTION: Europe hit with coldest December in 100 years; snow cancels 1,000 flights in Germany when it saw more snow than in the past 100 years with the highest snow depth since 1893. Two employees of the Frankfurt international airport walk along a passageway made by thousand of tons of snow piled up near the runway of the airport in Frankfurt, Germany, Dec. 30, 2010. (Boris Roessler / EPA)