decision when I get there whether I have to move away from the river," he said.]]> challenge is just to keep on going at a steady pace.]]> decision when I get there whether I have to move away from the river," he said.]]> concerns for this part of the trip: The Nile passes through Jonglei state, a region that has seen heavy fighting recently.]]> buffalo, elephants and a very close call with a crocodile," he said Thursday.]]> capital.]]> companion.]]> expedition I could ever think of?]]> pursuing his goal: walking the entire length of the Nile River.]]> arrested while filming near the only bridge that crosses the Nile in South Sudan.]]> civil war and even the death of a fellow traveler have not stopped Levison Wood from pursuing his goal: walking the entire length of the Nile River.]]> fascinated by Africa since he was young.]]> expedition I could ever think of?]]> pursuing his goal: walking the entire length of the Nile River.]]>