The London sewerage system's original Abbey Mills pumping station.
Great Barrier Reef
Chichen Itza.
The Colosseum in Rome.
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| Empire State Building. | 
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| Golden Gate Bridge. | 
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| The Great Pyramid of Giza, the only wonder of the ancient world still in existence. | 
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| Grand Canyon | 
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| The Great Wall of China. | 
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| Old City of Jerusalem. | 
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| The Aurora Borealis or Northern Lights | 
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| Stonehenge. | 
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| Taj Mahal. | 
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| CN Tower. | 




 
 

 
 
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