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
Campaigners have vowed to block the building of a £50 million Holocaust memorial that is due to be built next to Parliament.
The vulnerable 64-year old was last seen in Hoxton at 10.45pm on Thursday 8 December.
Two men have been jailed for a total of 18 years after they were stopped in a mini-cab bringing 10 revolvers into the capital.