Instinctively, I held on tight to my camera, which was strapped to my hand anyway. Time seemed to pass in slow motion as I struggled with the two men trying to rob me. Then I saw the gun. My first thought was a sensible one: let go. But the gun didn’t look real, and the gunman’s eye told me he wasn’t going to shot. My desire to be able to document my travels, and not to loose an expensive camera on day one, told me to hold on…