Modern Marvels

World's Biggest Machines 5 (13x22)

Ημερομηνία προβολής: Ιούλ 26, 2006

The world's largest engineering feats are explored. Included: NASA's wind tunnel and flight simulator at the Ames Research Center in California; a continuous mining machine in Pennsylvania; the London Eye observation wheel in England. Also: the Claas Cougar lawn mower; and IMAX technology.