The Karakoram highway

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In 1979 one of the great engineering feats of the 20th Century was completed and the Karakoram highway between Pakistan and China was finally opened. The highway, known as the Friendship Highway in China, was started in 1959. Due to its high elevation and the difficult conditions under which it was constructed, it is also sometimes referred to as the 'Eighth Wonder of the World'. Farhana Haider has been speaking to Major General Pervez Akmal who worked on the construction and maintenance of the highway. (Photo: The majestic Karakoram mountains on the border of Pakistan and China. Credit: AFP/Getty Images)