As old as time •

It’s even more mind-blowing when you consider the Chankillo complex was constructed roughly 2,300 years ago. Modern-day people have also been aware of the incredible stone towers since at least the 19th century. But it actually took a 21st-century study to finally figure out their actual purpose. Photo Credit:  IDARQ/UNESCO

News coming your way
The biggest news about our planet delivered to you each day