They were formed in the 1990s by diverting water from lake Nasser, an artificial lake formed behind the Aswan High Dam on the river Nile.

它们是由于1990年代从纳赛尔湖调水而形成的，是在尼罗河上的阿斯旺大坝后面形成的人工湖。

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37a section of Lake Nasser in Egypt, a massive reservoir behind the Aswan High Dam on the Nile River, seen from the International Space Station in January of 2010.

2010年1月份，国际空间站上拍摄到的埃及纳赛尔湖，这座尼罗河阿斯旺大坝上的大型水库。

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You can also visit the Aswan High Dam and the water it collects in Lake Nasser, the largest man-made lake in the world.

你还可以游览阿斯旺大坝和由此而形成的纳塞尔湖，这是世界上最大的人工湖。

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The temples of Abu Simbel were officially reopened in 1968 while the sacred site they had occupied for more than 3, 000 years disappeared beneath Lake Nasser.

BBC: Abu Simbel: The great temple of Egypt

As the plans for the High Dam were drawn up, worldwide attention focused on the many valuable and irreplaceable ancient monuments that would be destroyed by the waters of Lake Nasser.

BBC: Abu Simbel: The great temple of Egypt

Across all of Africa the impact of human activity is clear - whether in the newly irrigated areas created by the waters of the Nile, turning huge areas of the desert around Egypt's lake Nasser green, or the urban sprawl of Dakar, across the Cap Vert peninsula in Senegal.

BBC: Atlas shows vanishing landscape