Once upon a time there was a school situated in the middle of a
very big city and surrounded by very busy roads. The children
would often run out of school and start playing, not realising
how dangerous it was to have a road so close by. There had
already been accidents when children crossed the road without
looking, or when they ran around near the traffic lights. To
stop this happening again, a local traffic light thought to
himself: “Why don’t I warn the children by shouting when cars
are coming? Or perhaps I should grab them by the backpack…?” He
thought this would be a very good idea, so he told his friend
the zebra crossing. But the zebra crossing said: “If we do that,
we will only cause children in a different neighbourhood to have
an accident, because they will rely on us to save them. But we
won’t be there!” The traffic light thought this through, and
realised that the zebra crossing was right. So they decided to
do something different: “From now on, every day we’ll explain to
each child the dangers