Demolition And Massive Bridges DVDS
What goes up, must come down, and sometimes in spectacular fashion. Documenting the cycle of construction and destruction, Demolition traces the evolution of planned demolition, from devices and techniques used in ancient times to modern-day wrecking balls, implosions and more. Engineering, architecture and history buffs will revel in Massive Bridges, the story of how a 137-ton railway bridge was moved in Kansas City, and a 129- year-old bridge was saved in Iowa, by helicopter. Did the extreme efforts work? Watch and find out. Both DVD's are 50 min.
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