The stars of Portugal's only national park are not newcomers. Wild Garrano horses have lived in the Peneda-Gerês mountains of northern Portugal for 20,000 years.
Aired:
| Expires: | Runtime: 2m 46s
You are leaving GBH.org
You are leaving gbh.org and going to a web page that is not owned by GBH. If you are streaming, your experience will be interrupted.