The northern karst of Puerto Rico - a vital resource to both wildlife and locals - is threatened by the proposed expansion of the PR-22 highway.
| Release Date | January 2, 2015 | |
|---|---|---|
| Status | Released | |
| Original Title | Imperio Karstico | |
| Runtime | — | |
| Budget | — | |
| Revenue | — | |
| Language | Spanish | |
| Original Language | Spanish | |
| Production Countries | Puerto Rico | |
| Production Companies | Kirutungo Productions | |