Once nearly impenetrable for migrants heading north from Latin America, the jungle between Colombia and Panama this year became a speedy but still treacherous highway for hundreds of thousands of people from around the world.
Driven by economic crises, government repression and violence, migrants from China to Haiti decided to risk three days of deep mud, rushing rivers and bandits. Enterprising locals offered guides and porters, set up campsites and sold supplies to migrants, using color-coded wristbands to track who had paid for what.
