1 videodisc (ca. 62 min.) :sd., col. ;4 3/4 in.
Originally released in 1996.
Title from container.
Narrated by Martin Sheen.
Takes you on a twisting journey down the great rivers of the world, pausing to visit the thriving realm of freshwater ponds. Travel upstream to find civilization's source - then down again to see the key to our very survival.
G.
DVD ; full screen presentation ; Dolby digital.
For private home use only.
1.Children's films.2.Educational films.3.Pond ecology.4.Ponds.5.Rivers.6.Science films.7.Stream ecology.8.Video recordings for children.Dynamic Details