Arriero.
The first one of an upcoming series of short animations about a Muleteer in the near past, being spectator of weird sighting while traveling through the Andean forests of Colombia.

http://romeroleo.com/files/gimgs/th-35_Arriero y Mula.jpg
http://romeroleo.com/files/gimgs/th-35_Mula.jpg
http://romeroleo.com/files/gimgs/th-35_Arriero.jpg
http://romeroleo.com/files/gimgs/th-35_storyboard completo.jpg