The film concludes with a vignette about the Chalalan Ecolodge project.
It's an optimistic note -- a traveler who harnesses the power he has over a destination and its people -- that serves as a great argument for responsible travel.
There may be no singular, fool-proof formula for how a nation should develop its tourism industry, but Vail's film should get us talking about the many possibilities.
"Gringo Trails" was released through Icarus Films and is now showing on the global film festival circuit.
Upcoming screenings: Environmental Film Festival, in Washington, D.C., March 19; Sebastopol Documentary Festival, in California, March 29