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
This year's Pride in London event will include a minute's silence to commemorate the victims of the Orlando shooting.
The London property market is expected to be the hardest hit as buyers sit it out to see how the economy will be affected.
The former London mayor paid tribute to David Cameron just hours after the Prime Minister announced his resignation.