Widescreen. Join scientists and adventurers as they explore the past, present, and future of the Sierra Nevada's most precious resource, its water. Glide over the Yosemite Valley, climb trees as tall buildings, and see how critters both great and small survive through drought, wildfires and mountains of snow, as one of America's great wildernesses is investigated. 60 minutes.
Item #: 6951163
This item is a Blu-ray. It is in wide screen format.