“When it was built,” Jessie said, as they waited for the traffic to slow, “it had a pole on top that was supposed to be for tying hot air balloons to.” Emma looked confused. “No. Not hot air balloons. Those things like blimps? But that you could travel in?” “A zeppelin? Like the Hindenberg?” Emma said. They’d learned about the Hindenberg at school. “Yes!” Jessie said. “Dad’s got a paperweight of the building with a blimp attached. I think mum bought it for him.”