Labour's Hugh Henry brought the backbench bill, saying employees such as shop-workers or train and bus conductors needed extra protection.

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Jeremy Morris found in the 1950s that London's double-decker bus drivers were more likely to die from cardiovascular disease than the bus conductors, and that government clerks were more likely to die than mail carriers.

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And anyway, there's always fun to be had laughing at the bus conductors as they try to work out how much their 750, 000 Zimbabwe dollar notes add up to, and how much change they owe the passengers.

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Regardless of all of the above, one thing you should always do when traveling around China is carry with you Chinese-language business cards of your hotel or of places you wish to visit so you can show passers-by, taxi drivers, bus conductors and the like.

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Gender diversity is important to the Bus community, Gottfried tells me, adding that of the six conductors this season, three are women.

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