Description: [caption id="" align="aligncenter" width="430" caption="Actor and environmentalist Robert Redford discusses a scene from the film "The Earth in Our Hands" with Walter Adey, director of Natural History's Marine Systems Laboratory (MSL). The film was shot in MSL's Everglades Ecosystem at the Old Soldiers' Home, 1989, Richard K. Hofmeister, Photographic print, Smithsonian