<p>Imagine stepping into someone else's shoes. Walking back in time a century ago, which shoes would they be? A pair of silk sensations costing thousands of pounds designed by Yanturni of Paris, or wooden clogs with metal cleats that spark on the cobbles of a factory yard? Would your shoes be heavy with mud from trudging along duckboards between the tents of a front-line hospital or stuck with tufts of turf from a football pitch? Would you be clo...