Egyptian temple Debod, as gifts to nations that had contributed to the preservation effort. Nevertheless, several other temples vanished beneath the lake. Today there are dozens of sites with substantial temple remains, although many more once existed, and none of the major temples in Lower or Middle Egypt are well preserved. Those that are well preserved, such as Karnak, Luxor, and Abu Simbel, draw tourists from around the world and are therefore a key attraction for the Egyptian tourist industry, which is a major sector of the Egyptian economy. Three temple sites—Ancient Thebes with its Necropolis, Memphis and its Necropolis, and the
Lake Nasser ability to generate electricity. There are pumping stations that control the water going into Lake Nasser, and currently this project generates 10 billion kilowatt-hours of hydroelectric power each year to Egyptians. A fish enclosure was built in Lake Nasser. Fishing among tourists, especially for Nile perch, has become increasingly popular, both on the shore and from boats. Although the Abu Simbel and other temples were physically moved to a higher ground and to different sites to spare their destruction by the new lake, other ancient Egyptian sites like the massive fortress of Buhen were flooded and are now at the