The statues of Easter Island could have "walked" into place

Using nothing but rope, how many people does it take to move a 10-foot tall, 5-ton statue a distance of one hundred yards? It sounds like the beginning of a joke, but it's a serious question for archaeologists Terry Hunt and Carl Lipo, who are studying how prehistoric inhabitants of Easter Island transported theā€¦ » 6/21/12 1:00pm 6/21/12 1:00pm