Yorkshire remains a frozen landscape after 28 days of sub-zero temperatures, as shown by these aerial photographs.
The pictures, taken by YEP photographer Tony Johnson, show landmarks like Leeds-Bradford International Airport, Harewood House and Wetherby Racecourse still blanketed in snow and ice.
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The A1 from above looks like a snaking river of ice, with motorists cautiously making their journeys in the hope of getting home for Christmas.
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Snow first fell in Yorkshire on November 27, and apart from a few days' respite last week, temperatures have remained below freezing ever since - even plunging to -12C in some parts of the region.
The conditions have affected travel plans for millions of holiday makers over the Christmas period, with Heathrow Airport still battling to clear a backlog caused by heavy snowfall over the weekend.
There were delays yesterday on some flights at Leeds-Bradford International Airport, with the Belfast City and Dublin routes among those hit.
There have been major problems on the trains, with East Coast cancelling 12 services today between Leeds and London Kings Cross, and 13 yesterday, disrupting travel plans for thousands of customers.
And there appears to be no let-up in the sub-zero conditions, which have already affected a host of sporting fixtures over the Christmas holiday.
Temperatures are set to remain below the mercury levels for the next week at least, with the annual Boxing Day racing at Wetherby called off - not surprising, given the frozen state of the course.
Elsewhere in the region, Sunday's npower League 2 football match between Bradford City and Chesterfield has been postponed due to the weather, while the Co-operative Championship clash between Featherstone Rovers and Hunslet Hawks will now take place on Sunday, January 2.
Sunday's Aviva Premiership Rugby match between Newcastle Falcons and Leeds Carnegie has also been put back 24 hours to Monday.
Forecasters predict the big freeze could last for another month, with
more snow expected to fall in the region by Monday - and bookies are offering odds of 6/5 on tomorrow being a white Christmas.