He made a 370-mile,26-day trek through a place where there are no roads. Take alook as he shares some of what he saw.
A priest reading at one of Ethiopia's oldest churches in Lalibela, said to date in its current form from 1187.
A young boy in Ethiopia's Semian Mountains seeks the shade of a rare tree under which to read.
The "big drama" of the Simien mountain landscape made the photographer think of Genesis.
A woman takes an early morning walk to the rock church of Asheton Maryam. The church is carved into a cliff at over 13,000 feet above sea level.
Children share a meal spread out on the traditional Ethiopian bread, injera.
A farmer and bread-maker at work in her hut. Don't miss the chicken on the shelf.
Taking in the view on the way to church.
Mules carry food for the nearly monthlong trek into the mountains, still some five days' walk away.
The caravan of people, food, and supplies walked some 370 miles over 26 days from Lalibela, Ethiopia, into the Simien Mountains.
Talking with this woman was like "a visit to the library."
Traveling through this part of Africa, one walks the same trade paths as people did 3,000 years ago.
In the northern Simien mountains.
Making baskets and protecting ripening grain from the birds.
A young shepherd watches over his goats.
Photographer Mario Gerth has created postcard set of his images along with replicas of crosses made in the region.