In Hamburg – before the advent of a mains water supply - water carriers, the so-called "bumblebees" were a common sight. They were often teased by children with the words "Hummel Hummel" - to which the reply was "Mors-Mors", an old retort known by anyone from the city of Hamburg – and still seen on car stickers today. And under the cockpit of the Fw 190 of a certain Gruppenkommandeur from Hamburg...