It is hot and the midday sun scorches the sand. Mile after mile of travel and there is not a body of water to be seen. Animal carcasses rot on the side of the road. Yet amid this harsh desert climate, among a cluster of communities, tomatoes, onions and watermelon grow.
This is Mauritania, a west African country home to three million people, more than one third of whom are hungry. The Brakna region, in the south, has the highest malnutrition rates in the country, particularly among children under the age of five.