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
Members of the London community have rallied round to offer their help to residents of the evacuated Chalcots estate in Camden.
Evacuated residents have expressed anger and confusion at unexpectedly being told they had to leave .
Camden Council is evacuating four tower blocks in the Chalcots estate in north London, to allow "urgent fire safety works" to take place.