seven modern wonders of the world
The ancient Greeks Spoke of the seven wonders of the world.recently,some engineers came up with this list of the seven wonders of our modern world
the panama canal, begun in the 1880s, was't finished until 1914.it joins the Atlantic and pacific oceans. engineers describe the canal as a victory of humans over geography workers dug huge amounts of land and tamed rivers.
For 40 years after it was completed in 1931,the empire state building, in new York city,was the tallest building in the world Amazingly, this 102-story building was constructed in just 410 days.
The Netherlands North Sea Protection Works is another victory over geography. The Netherlands,which is below sea level,was often flooded by the north sea and by rivers.
Then,between 1927 and 1932,a dam was built to shut our the sea. Twenty years later,dams and canals were built to control the rivers.