A tip for those traveling in East Africa: unstructured adventures may be a bit more difficult than they are in, say, Europe. The implications of our hastily cobbled together adventure, hampered by poor internet connections and our work schedules, dawned on Sarah and I as we stood by ourselves on an airplane runway in the middle of the Maasai Mara. Possibly lions and certainly gazelles looked on bemused. Sarah and I were working in Kenya at the same time and we had decided to take advantage of our location and travel a bit. One of us booked flights to the Mara, and from there we’d just see what we’d do next. Shortly before our flight, Sarah called a friend of a friend who worked…