Cloud Challenge of the Stallions Author:Ginger Kathrens "Cloud: Challenge of the Stallions" is the third installment in the acclaimed adventure documentary saga of Cloud. The Nature series helped to bring this award winning life story of a wild horse to millions of viewers in the United States and around the world, allowing them an intimate glimpse into the beautiful complex, gentle, yet turbulent wo... more »rld of a wild horse herd in the Rocky Mountain West.« less