Modern Marvels
Many rivers quenched the thirst of millions in the American west.
Many rivers quenched the thirst of millions in the American west.
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Winding 6,000 kilometers through undulating mountains.
When completed, China's Three Gorges Dam will tower 607 feet in the air.
Dynamite explodes hills to bits, drills divide sheer stone walls.
Under Athens' bustling metropolis, a unique engineering project.
Venture down that creaky staircase.
It was a science first conjured amid the fiery ovens of ancient blacksmiths.
Blade implements have been a part of civilized man's arsenal.
Since the invention of gunpowder, fireworks have thrilled audiences globally.
Winding 6,000 kilometers through undulating mountains.
When completed, China's Three Gorges Dam will tower 607 feet in the air.
Dynamite explodes hills to bits, drills divide sheer stone walls.
Under Athens' bustling metropolis, a unique engineering project.
Venture down that creaky staircase.
It was a science first conjured amid the fiery ovens of ancient blacksmiths.
Blade implements have been a part of civilized man's arsenal.
Since the invention of gunpowder, fireworks have thrilled audiences globally.
Arising from the horrible carnage, deprivation, and suffering.
This is the history of medicine under fire.
In 1941, penicillin was first used to save human life.
Traces physical fitness' role in the health of the individual and society.
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