World Heritage Site International Campaign to Save the Monuments of Nubia. This appeal resulted in the excavation and recording of hundreds of sites, the recovery of thousands of objects, as well as the salvage and relocation to higher ground of a number of important temples, the most famous of which are the temple complexes of Abu Simbel and Philae. The campaign, which ended in 1980, was considered a success. As tokens of its gratitude to countries which especially contributed to the campaign's success, Egypt donated four temples: the Temple of Dendur was moved to the Metropolitan Museum of Art in New York City,
Abu Simbel temples erosion of the sandstone by desert winds. However the proposal, though acknowledged to be extremely elegant, was rejected. The salvage of the Abu Simbel temples began in 1964 by a multinational team of archeologists, engineers and skilled heavy equipment operators working together under the UNESCO banner; it cost some US$40 million at the time (equal to $300 million in 2017 dollars). Between 1964 and 1968, the entire site was carefully cut into large blocks (up to 30 tons, averaging 20 tons), dismantled, lifted and reassembled in a new location 65 meters higher and 200 meters back from the river, in