Lost civilisation in the Amazon may have numbered 3 million people
Laser-scanning surveys reveal that the ancient Aquiry civilisation was bigger than previously thought, building tens of thousands of large geometric earthworks in what was once thought to be pristine wilderness
<p>Laser-scanning surveys reveal that the ancient Aquiry civilisation was bigger than previously thought, building tens of thousands of large geometric earthworks in what was once thought to be pristine wilderness</p>