Could it be ... El Dorado?

Researchers used Google Earth satellite images to find the remains of an ancient city in the Amazon basin—including 200+ earthworks laid out in geometric shapes in the middle of the jungle near the border of Brazil and Bolivia. This is a fantastic find, sure to be a game-changer in our understanding of the history of Amazonian peoples. But, despite Times Online speculation, it will probably not turn out to be a City of Gold.