États-Unis,
2009, 17x50 min
Scénario:
Stuart ChaitMusique:
David HleboActeurs·trices:
Steve Jacobs, Russell Schweickart, Peter H. Schultz, Michelle Thaller, Sean Carroll, Phil PlaitPhotos (9)
Photo © National Geographic Channel
Photo © National Geographic Channel
Photo © National Geographic Channel
Photo © National Geographic Channel
Photo © National Geographic Channel
Photo © National Geographic Channel
Photo © National Geographic Channel
Photo © National Geographic Channel
Photo © National Geographic Channel