Updated: Thu, 14 Aug 2014 06:00:00 GMT
The world’s greatest feats of engineering

The Panama Canal turns 100 on August 15

Panama Canal (© WILL & DENI MCINTYRE/Getty Images)
  • Panama Canal (© WILL & DENI MCINTYRE/Getty Images)
  • Panama Canal expansion project (© REUTERS/Rafael Ibarra)
  • The Three Gorges Dam in China (© powerofforever/Getty Images)
  • Dutch Delta Works (© CreativeNature_nl/Getty Images)
  • Great Wall of China (© powerofforever/Getty Images)
  • Large Hadron Collider (© AP)
  • Millau Viaduct (© REUTERS/Jean-Philippe Arles)
  • Pyramid of Khufu (© Marka/UIG via Getty Images)
WILL & DENI MCINTYRE/Getty ImagesShow Thumbnails
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When it opened on August 15, 1914, the Panama Canal linked the Atlantic and Pacific oceans and cut thousand of kilometres from a perilous sea voyage. 100 years on, it's still a brilliant piece of engineering. The sea level and high tides are different on each coast, so three enormous sets of locks had to be built into the design to raise or lower the canal between one end of its 77km (48-mile) course and the other.

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