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traveling around the word.ppt

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1、My way,Recently, some engineers came up with this list of the seven wonders of our modern world:,Do you recognize any of the sites in the pictures?,The ancient Greeks spoke of the seven modern wonders of the world.,CN tower,At 1,815 feet, the CN tower, in Toronto, Canada, is one of the worlds talles

2、t free-standing buildings, completed in 1976, the tower is used for TV and radio broadcasting.,Panama Canal,The Panama Canal, begun in the 1880s, wasnt finished until 1914. It joins the Atlantic and pacific oceans.,Panama Canal,Engineers describe the canal as a victory of humans over geography. Work

3、ers dug huge amounts of land and tamed rivers.,Channel Tunnel,Completed in 1994, the Channel Tunnel joins France and England.,Channel Tunnel,The “Chunnel” is a remarkable convenience: cars, buses, and trucks are all carried through the tunnel by train.,Three Gorges Dam,The Three Gorges Dam, goes acr

4、oss the Yangtze river, is the worlds largest hydroelectric plant.,Three Gorges Dam,Launched in 1993, construction of the gigantic concrete structure of the Three Gorges dam was completed in May 2006.,Three Gorges Dam,The water level in the reservoir will eventually reach 175 meters in 2009, when the

5、 Three Gorges project is finally completed.,Golden Gate Bridge,The Golden Gate Bridge, completed in 1937, was also a challenge for workers: San Francisco bay has very strong winds and rough waves.,Golden Gate Bridge,The golden gate is still the worlds tallest bridge. It has enough steel to wrap arou

6、nd the world three times.,Empire State Building,For 40 years after it was completed in 1931, the Empire State Building, in New York City, was the tallest building in the world.,Empire State Building,Amazingly, this 102-story building was constructed in just 410 days.,Netherlands North Sea Protection

7、 Works,The Netherlands North Sea Protection Works is another victory over geography. The Netherlands, whish is below sea level, was often flooded by the North Sea and by rivers.,Netherlands North Sea Protection Works,Then, between 1927 and 1932, a dam was built to shut out the sea. Twenty years later, dams and canals were built to control the rivers.,2. Panama Canal,3. Channel Tunnel,1. CN tower,4. Three Gorges Dam,5. Golden Gate Bridge,6. Empire State Building,7. Netherlands North Sea Protection Works,Seven modern wonders of the world,Thank you !,

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