The Darien Gap is a roadless jungle between Yaviza in Panama and Turbo in Colombia. In the last few years, thousands of Nepalis, Bangladeshis, Sudanese, and Ethiopians have been crossing the Gap to get to the United States. Apparently, they first fly to a country that does not require visas, like Brazil, and then travel by car to Venezuela, and then to the Colombian town of Turbo. There, coyotes take them to Panama via boat and foot.
Contemporary footage of the Gap is nearly non-existent. This morning, I found this Tamil (?!) documentary about these migrants.