I am honored to have been a part of this amazing project that has won some film festivals and is moving on to more! It sums up caves, their biology, resources, and need for conservation not only for the future but for enjoyment and exploration. It is just shy of 15 minutes and make sure to change to HD to watch.
http://www.southernexposurefilms.org/films/sharing-the-secrets
http://www.southernexposurefilms.org/films/sharing-the-secrets