A series of century-old photographs documents the Havasupai, a Native American tribe that has lived in the Grand Canyon region for more than a thousand years. The Havasupai are one of 11 Native American tribes traditionally connected to the Grand Canyon and are the only tribe that still lives below the canyon’s rim today. For at least a millennium, the tribe has lived primarily in Havasu Canyon, a remote area within the wider Grand Canyon region in what is now the U.S. state of Arizona. The name “Havasupai” translates to “people of the blue-green water,” referring to Havasu Creek, a tributary of the Colorado River known for its distinctive blue-green color. The creek runs through Havasu Canyon and has long been central to the tribe’s way of life. The Havasupai lived in the canyon long before the arrival of European settlers and before the area became part of a United States national park.…