Dr Muiz Ali Taha, founder of the canine mine clearance program in Sudan.
Marco poses at a training demonstration.
Handler Omar Salih with Marco, a Rottweiler and German Shepard cross.
Dr Muiz Ali Taha was initially trained as a vet, before running the mine clearing program.
Training goes on in Soba, north of Khartoum.
The training is done using detonated landmines.
A dog on a land mine clearance operation in Girgir, eastern Sudan.
Landmines are a significant problem in Sudan, and have caused more than 2000 casualties since 2002.
Dogs can search out landmines faster than humans can.