The Okavango Delta is one of the most diverse ecosystems on Earth. But threats of climate change and deforestation upstream are risking its delicate balance. Paid content for De Beers.
Traveling for 64-miles along the border between Chama, New Mexico and Antonito, Colorado, the Cumbres & Toltec Scenic Railroad chugs its way up and over the 10,015 foot high Cumbres Pass.
