A group of singing sewermen are doing it "Gangnam Style" in the sewers of London.
The Thames Water workers have released a YouTube video entitled Sewerman Style here.
The video urges people to not wash turkey fat down their sinks this Christmas.
Thames Water spends £12 million a year clearing sewer blockages across London.
More top news
Police are hunting a man suspected of trying to set Finsbury Park Mosque on fire earlier this morning
Paddington station had to be evacuated due to a fire alert this morning, causing disruption for passengers
In another reminder of the capital's housing crisis, a 3 metre by 4 metre room has gone on sale as a buy to let rental opportunity