Touchstone: The Rock Art of the Coa Valley
| MPAA Rating: | NR |
| Genre: | Documentary, Short |
| Country: | United States |
| Produced By: | Luis Proenca |
| Directed By: | Luis Proenca |
| In Theaters: | N/A |
| Runtime: | 30 minutes |
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| MPAA Rating: | NR |
| Genre: | Documentary, Short |
| Country: | United States |
| Produced By: | Luis Proenca |
| Directed By: | Luis Proenca |
| In Theaters: | N/A |
| Runtime: | 30 minutes |