More and more people are travelling with their cameras in the hope of taking striking photos that capture the essence of their time away - and an ever increasing number of talented amateurs are uploading their images to picture agencies and earning extra income from selling rights. Shooting on the road, though, does present challenges - from erratic power supplies, to difficult customs posts, so it's important to be well-prepared and ready for anything. This field guide will help you decide what to pack, and what difficulties to plan for.