For two years, the seven teams on the Rolex and National Geographic Perpetual Planet Amazon Expedition have been conducting studies across the Amazon River Basin to better understand the complex water systems that support the world’s largest rainforest. National Geographic Photographer Thomas Peschak has been following the expedition, creating captivating images that tell the story. By sharing the expedition’s groundbreaking science with the world, he is highlighting how critical it is to protect the Amazon.

Images and Footage Courtesy of the National Geographic and Rolex Perpetual Planet Amazon Expedition