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 - influenced by Korean pop star Psy, whose song Gangnam Style has more than 900 million hits on Youtube.
The new video urges people to not wash turkey fat down their sinks at Christmas.
Click here to watch their latest video.
More top news
This weekend you can do take a look inside some of London's most iconic buildings.
The family of a father-of-three from East Ham have made a fresh appeal to catch his killer 20 years after he was murdered.
The Metropolitan Police has paid £45,000 in damages in an out-of-court settlement following the 'unlawful arrest' of a black motorist.