This footage shows cleaners targeting seats on the Tube - and reveals just how much dirt is lurking.<br /><br />Cleaner Steven James, 55, started posting cleaning videos from “high traffic areas” on his Instagram in 2020 - including a theatre. <br /><br />The lighthearted content was intended to promote his carpet cleaning business, Mr Carpet Clean, which he has been running for seven years. <br /><br />Now, the Hertfordshire dad-of-five has gone viral over a clip of him and his team steam cleaning seats on a moving Northern Line tube.