A pre-Columbian society in the Amazon developed a sophisticated agricultural engineering system that allowed them to produce ...
A smart water system created 1,500 years ago by an ancient Amazonian urban society turned swampy savanna into fertile farmland that produced corn all year round, a new study has found.
The discovery shed new light on just how advanced the civilisation that lived in the ancient city of Petra was.
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback