The appeal of this crumbled ahu isn't apparent until you notice the fine masonry on the rear wall. Anyone who has seen the ancient Inca city of Machu Picchu in Peru will note the similar stonework. This led Norwegian archaeologist Thor Heyerdahl to theorize that Rapa Nui's original inhabitants may have sailed here from South America. Most others disagree, believing that the first settlers were Polynesian. The moai here still lie where they were toppled, one staring sadly
up at the sky.