UK weather: Snowy scenes across the UKSnowfall 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. Getty ImagesThe UK is experiencing what is expected to be the coldest week of the winter. This elephant fountain in Colchester froze when temperatures fell below zeroREX/ShutterstockBrave visitors to Cambridge on Monday weren't deterred from punting on the River CamPAHundreds of schools closed, giving many children a day offGetty ImagesSome, like these beside Rochester Castle in Kent, took the opportunity to go sledgingAFPWalkers braved the cold on Scarborough's snow-covered beach on TuesdayAFPChester Zoo closed its doors due to fears for the animals' welfare, but these cattle in Denby Dale seem unfazed by the coldPAMotorists are being urged to take extra care and in the worst affected areas, only travel if absolutely necessaryPARail passengers were affected by hundreds of train cancellationsSue PinneyAn amber weather warning - meaning there's a risk to life and property - was in place for some areas of the countryPALess severe yellow warnings were in place across a much wider area thanks to the so-called "Beast from the East"AFPFields were covered with thick snow in Thirsk, North YorkshirePASt Paul's Cathedral was barely visible as heavy snow showers reached central LondonEPAThe flurry left London's Green Park under a blanket of snowAll photographs are copyrighted. Heavy snow causes UK-wide disruption