Temporal de frío y nieve en Europa
Planes sit on the tarmac at Gatwick airport in south England December 1, 2010. Heavy snow grounded all flights at Gatwick airport on Wednesday, while the worst early winter weather in almost two decades also caused severe delays on roads and rail lines up and down Britain. REUTERS/Toby Melville (BRITAIN - Tags: ENVIRONMENT SOCIETY TRANSPORT)
A woman skis along a snow covered road in Coverbridge, northern England December 1, 2010. Heavy snow grounded all flights at Gatwick airport on Wednesday, while the worst early winter weather in almost two decades also caused severe delays on roads and rail lines up and down Britain.REUTERS/Nigel Roddis (BRITAIN - Tags: ENVIRONMENT)
Commuters check the train departures board for delays and cancellations at Victoria Station in London December 1, 2010. Heavy snow grounded all flights at London's Gatwick airport on Wednesday in the worst early winter weather to hit Britain in almost two decades which could cost the economy billions of pounds. REUTERS/Dylan Martinez (BRITAIN - Tags: TRANSPORT ENVIRONMENT)