Etiquette expert on how to behave on the Tube
Travelling on the London Underground can test tempers at the best of times, especially during peak rush hour.
But do you know what to do with your backpack when the carriage is rammed or whether that smelly egg sandwich should stay in your lunchbox?
Podcaster William Hanson, one of the UK's best-known etiquette experts, told BBC Radio London about the unofficial dos and don'ts of Tube travel.
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