Inside the giant German factory turning potatoes into Pritt Stick

Henkel’s Düsseldorf plant was built at the turn of the century but is looking to the future - with solar panels, electric vehicle charge points for staff and a sustainability lab for childrenFor more than a century, the Ruhr Valley and the Rhineland have been the heartland of German industry. Sprawling cities and soaring smokestacks combine with surprisingly large swathes of forest to create a distinctive, and not unattractive, landscape. It is one that has seen more than its fair sha