Overland travel blog The Trip Goes On published a collaboration post about 15 scenic train rides around the world. I participated by writing about the TAZARA train between Zambia and Tanzania.
You can read the story (and other sustainable travel guides and stories) here: 15 of the Most Scenic Train Rides in the World
For more information about the TAZARA train, you can read my original story about the ride and my public transport guide for southern Africa.