A close-up of an excavated wall in the Brat Beal Gebri complex in the rural village of Yeha, Ethiopia, reveals clay bricks and mortar in three layers with random sones used as backfill.
A close-up of an excavated wall in the Brat Beal Gebri complex in the rural village of Yeha, Ethiopia, reveals clay bricks and mortar in three layers with random sones used as backfill.