Snowfall is causing disruption across parts of the UK as very cold air sweeps in from Russia.
Some people, though, have found ways to enjoy the freezing conditions.
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The UK is experiencing what is expected to be the coldest week of the winter. This elephant fountain in Colchester froze when temperatures fell below zero
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Brave visitors to Cambridge on Monday weren't deterred from punting on the River Cam
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Hundreds of schools closed, giving many children a day off
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Some, like these beside Rochester Castle in Kent, took the opportunity to go sledging
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Walkers braved the cold on Scarborough's snow-covered beach on Tuesday
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Chester Zoo closed its doors due to fears for the animals' welfare, but these cattle in Denby Dale seem unfazed by the cold
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Motorists are being urged to take extra care and in the worst affected areas, only travel if absolutely necessary
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Rail passengers were affected by hundreds of train cancellations
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An amber weather warning - meaning there's a risk to life and property - was in place for some areas of the country
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Less severe yellow warnings were in place across a much wider area thanks to the so-called "Beast from the East"
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Fields were covered with thick snow in Thirsk, North Yorkshire
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St Paul's Cathedral was barely visible as heavy snow showers reached central London
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The flurry left London's Green Park under a blanket of snow
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