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Albert Kahn

In 1909 the French banker and philanthropist Albert Kahn launched a monumentally ambitious project: to produce a color photographic record of human life on Earth. An internationalist and pacifist, Kahn believed that he could use the new autochrome - the world's first portable, true-color photographic process - to create a global photographic archive that would promote cross-cultural understanding and peace. Over the next twenty years, he sent a group of photographers to more than fifty countries around the world, amassing more than 72,000 images.

Great Man-Made River

The Great Man-Made River is a network of pipes that supplies water to the Sahara Desert in Libya. It is the world's largest irrigation project. According to its website, it is the largest underground network of pipes (2820 km) and aqueducts in the world. It consists of more than 1,300 wells, most more than 500 m deep, and supplies 6,500,000 m3 of fresh water per day to the cities of Tripoli, Benghazi, Sirt and elsewhere. Muammar al-Gaddafi has described it as the Eighth Wonder of the World.