article_snippet.sent: Cotahuasi Canyon near the city of Arequipa in Peru is the deepest canyon in the world, and a site of archaeological significance.
article_snippet.sent: Cotahuasi Canyon near the city of Arequipa in Peru is an impressive chasm that the river has eroded between two enormous mountain massifs: the Coropuna and the Sulimana .
article_snippet.sent: Pictured is the Cotahuasi Valley .
highlights_snippet.sent: Tombs discovered at a ceremonial site, Tenahaha in Cotahuasi Valley .
  