How did lettuce get from the farm to your local supermarket? Well, in Fuzhou, China, lettuce is carried by dogs:
Here we get a glimpse into the secretive world of lettuce-transportation, as the lettuce-dogs of Fuzhou, China, go about their daily work.
While some parts of the world are shifting away from a dog-based model, and you will rarely see a lettuce-dog in the UK outside of Cumbria, China still transports over 99% of its lettuce by dog.
Note that the dog on the left is transporting what appears to be a courgette. This is normal for dogs who are still in their training period - 'pale fronds', in the jargon of lettucewrangling - or who have been demoted as a punishment for dumb insolence.