Almost the entire country awoke on Monday to an eerie but beautiful blanketing of fog.
Unless you were in an airport that is, in which case it was just a nuisance as flights around the UK were grounded.
For the rest of us though, it was an opportunity for some fairly breathtaking pictures.
Flew into foggy London. Views are beautiful - this is the Shard and all the towers in the city pic.twitter.com/3j6AeF3Btt— Sarah Wells (@sarahjwells) November 1, 2015
— Tower RNLI (@TowerRNLI) November 1, 2015
Worrying fog photo taken at Spaghetti Junction pic.twitter.com/g8VUwE7wH4— I Choose Birmingham (@ICHOOSEMag) November 2, 2015
amazing picture of the fog this morning pic.twitter.com/xaeb76ZN0Z— Tom Phillips (@flashboy) November 2, 2015
OK, those last two may not be real.
About 45 flights - 10% of departures from Heathrow Airport - were "pre-cancelled" on Monday as most of England and east Wales were issued a weather warning for fog.
Passengers encountered long delays on Sunday at Britain's busiest airport.
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Check out this foggy shot from our beautiful capital this morning!November 2, 2015