LONDON - JANUARY 13: Taxis queue in front of a snow-covered Buckingham Palace on January 13, 2010 in London, England. Fresh snowfall has been affecting many parts of the UK as very cold conditions continue to dominate the country's weather. The MET Office has issued weather warnings for Wales, Southern England, north-west England and the West Midlands. Many road, rail and air passengers are again facing severe delays to their journeys. (Photo by Oli Scarff/Getty Images)
