Marta Amaro and Liset Barrios take a minute to rest after crossing a river in the Darien Gap, the untamed jungle that engulfs the Colombia-Panama border. Photographer Lisette Poole went with them to document their journey north.

Marta Amaro and Liset Barrios take a minute to rest after crossing a river in the Darien Gap, the untamed jungle that engulfs the Colombia-Panama border. Photographer Lisette Poole went with them to document their journey north.