This from @tommurraywillis on Twitter: https://twitter.com/tommurraywillis/status/382212189165088768/photo/1
Short version: school builds canteen on other side of busy road, too dangerous for children to cross, so they use a minibus to ferry the kids from school to canteen and back again.
Full story here: http://metro.co.uk/2013/09/22/pupils-take-90-second-minibus-to-eat-their-lunch-4081810/