Our featured article this week examines archaeological research revealing details of a massive, Pre-Columbian urban settlement in the Amazon, 4,500 square kilometers in size, that provides valuable insights into how humanity could develop sustainable cities without degrading their environments.  To also read & share the story, go here: https://news.mongabay.com/2022/06/lost-amazonian-cities-hint-at-how-to-build-urban-landscapes-without-harming-nature/ Please invite your friends to subscribe to the Mongabay Newscast wherever they get podcasts, or download our free app in the Apple App Store or in the Google Store to have access to our latest episodes at your fingertips. If you enjoy this series, please visit www.patreon.com/mongabay to pledge a dollar or more to keep the show growing, Mongabay is a nonprofit media outlet and all support helps! See all our latest news from nature's frontline at Mongabay's homepage: news.mongabay.com or find us on Facebook, Twitter, and Instagram by searching for @mongabay. Photo Credit: Incachaca archaeological site in Bolivia. Image courtesy of Greg Keelen on Unspash. Please send feedback to submissions@mongabay.com, and thank you for listening.