In this fascinating video, see how scientists with National Geographic think that the creators of the Rapa Nui (Easter Island) figures might have walked them into place. The huge stone figures weigh as mush as 5 tons and it has long puzzled researchers as to how they might have been moved. This video shows a very plausible answer. There are more than 1,000 of the enigmatic figures on Rapa Nui and archeologists have recently discovered that some of them have carved bodies that have been buried by natural geologic forces over many years. Exactly who carved the figures and why is still a mystery.