My top 10 man-made wonders.

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Forth Bridge and Queen's Ferry
Forth Bridge and Queen's Ferry

Scotland, 1964

Chateau de Chenonceaux, Loire
Chateau de Chenonceaux, Loire

France, 1969

Taj Mahal, Agra
Taj Mahal, Agra

India, 1997

Angkor Wat
Angkor Wat

Cambodia, 2005

Great Wall of China
Great Wall of China

China, 1999

Pyramids, Giza
Pyramids, Giza

Egypt, 2007

Pompeii amphitheatre
Pompeii amphitheatre

Italy, 2008

Abu Simbel, Aswan
Abu Simbel, Aswan

Egypt, 2008

Christ the Redemmer, Rio
Christ the Redemmer, Rio

Brazil, 2012

Machu Picchu, Peru
Machu Picchu, Peru

Peru, 2012