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How could Roman legionnaires march so far in sandals?

<span>Photograph: Hulton Getty</span>
Photograph: Hulton Getty

Given a decent pair of rubber-soled boots with plenty of ankle support, I think I could match a Roman legionnaire mile for mile. In sandals (even with socks on) I can barely cross the room! How on earth did they conquer an empire without Gor-Tex and Vibram?

Jeremy Muldowney

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