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.
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The Foreign Secretary has defended his decision to miss a crucial Commons vote on Heathrow expansion.
The 15-year-old from Grays in Essex was killed after a fight started at a birthday party.
Launching on 27 June, the exhibition will include works from renowned artists including Sarah Lucas, Thomas J Price and Sean Scully.