The moving of the temple began in 1964, with archaeologists, engineers and workers coming from all over the world as a UNESCO project. It cost $40 million at the time. Between 1964 and 1968, the entire site was carefully cut into large blocks. Some blocks weighed up to 30 tons, with most around 20 tons. These blocks were lifted and put back together on a new site 65 meters higher, and 200 meters further back from the river.