In the 1950s, the writing was on the wall for Germany’s state-backed steel and coal giants, which formed the backbone of the economy and employed hundreds of thousands of people. Sixty years later, the Ruhrgarbeit’s smelting yards and mine shafts stand rusting and empty - if they’re not museums. And yet, wages in the region are above the national average; nearly a million new jobs have been created and there has been no major social unrest.